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Fatherhood, the Brain, and Male Caregiving
January 30, 2025
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This article discusses recent research on the male brain and fatherhood, offering further evidence that men nurture their children—just in a different way than women. It reminds me of The Life of Dad by Anna Machin, a wonderfully accessible book that explores research on fatherhood up until its publication in 2018. While this new study goes beyond Machin’s work, it echoes many of the findings she presented.

One key study Machin highlighted—but which is absent from this new research—involves oxytocin and how it influences mothers and fathers differently. When their children are young, both parents experience a surge of oxytocin when interacting with them, but their responses diverge. A mother’s oxytocin boost is linked to nurturing behaviors—stroking, verbal affection, and “motherese” speech—while a father’s oxytocin increase is associated with more active, physical engagement. Same hormone but very different responses.  Evolution, Machin argues, tends to be efficient, avoiding redundancy. In other words, nature ensures that parents complement rather than duplicate each other’s roles: mothers nurture in one way, and fathers in another.

Until recently, the father’s approach to caregiving was often overlooked or even viewed negatively. However, researchers now recognize that fathers nurture their children through play, challenge, and boundary-setting—key behaviors that support healthy development and maturity. Some experts suggest that while mothers excel at raising children, fathers play a crucial role in raising adults. Despite this growing understanding, modern society continues to celebrate only the maternal style of nurturing. Yet, our children need both.

Researchers are increasingly recognizing the significant benefits of a father’s caregiving through rough-and-tumble play with his children. Studies have shown that this type of play helps children develop impulse control, frustration tolerance, emotional regulation, resilience, perseverance, and the ability to distinguish between playful and real aggression. Perhaps most importantly, it strengthens the bond between father and child.

The importance of these qualities becomes even more evident when considering the challenges faced by children growing up in fatherless households.

Another fascinating but often overlooked discovery is how both parents undergo psychological changes when a woman becomes pregnant. Studies on the Big Five personality traits have found that expectant mothers and fathers begin to shift toward greater alignment with each other, possibly to strengthen their teamwork as parents.

There is still so much we don’t fully understand about the roles of mothers and fathers—but research is finally catching up.

Here’s the article

https://jamanetwork.com/journals/jamapsychiatry/fullarticle/2825647

November 13, 2024

How the Paternal Brain Is Wired by Pregnancy

Hugo Bottemanne, MD1,2; Lucie Joly, MD2,3

Author Affiliations Article Information

JAMA Psychiatry. 2025;82(1):8-9. doi:10.1001/jamapsychiatry.2024.3592

Pregnancy and post partum are accompanied by structural and functional brain changes in women that are thought to be important for caregiving.1 Studies have shown that pregnancy in women is associated with extensive gray matter volume reductions during pregnancy.1 Compared with controls, expecting mothers present lower cortical volume across several brain areas, with fewer cortical differences in the early postpartum period.1 Some of these brain changes have been correlated with increased attention to infant-related sensory stimuli, such as cries and odors.1 This neural plasticity and behavior change are driven by hormonal changes during pregnancy and can be distinguished from the brain changes caused by interactions with infants.1

A growing number of human brain imaging studies have focused on changes in the paternal brain after childbirth.2,3 Decreased gray matter in the orbitofrontal cortex, posterior cingulate cortex, insula, fusiform gyrus, and left caudal anterior cingulate cortex and increased gray matter in the right temporal pole, hypothalamus, amygdala, striatum, subgenual cortex, superior temporal gyrus, and lateral prefrontal cortex4 were observed. Furthermore, first-time fathers showed a significant reduction in the cortical volume of the precuneus that was correlated with stronger brain responses in parental brain regions when viewing pictures of their own infant.3

A functional imaging study showed that fathers had preferential brain activation when exposed to infant-related vs non–infant-related stimuli, in contrast to nonfathers.4 Another study evaluating parental brain responses to infant stimuli in primary caregiving mothers, secondary caregiving fathers, and primary caregiving fathers who were raising infants without maternal involvement revealed that the latter group had greater activation in emotion processing networks toward their own infant interactions, akin to mothers.5 Taken together, these findings suggest that the time spent in childcare is a crucial factor in parental brain plasticity. In support of this hypothesis, a study revealed that childcare was positively correlated with the connectivity of the amygdala and superior temporal sulcus, regions associated with mentalizing and social perception processes.6

The aforementioned results support that paternal caregiving phenotypes rely on the same neural and hormonal substrates as maternal caregiving, referred to as the global human caregiving network.5 This network encompasses a mentalizing network (prefrontal cortex, posterior cingulate cortex, temporal lobe, and superior temporal sulcus), an embodied simulation network (anterior cingulate cortex, superior frontal gyrus, motor cortex, and inferior parietal lobule), an emotional processing network (dorsolateral prefrontal cortex, orbitofrontal cortex, and inferior frontal gyrus), and a subcortical parenting network (amygdala, hypothalamus, and mesolimbic pathway)6 (the Figure gives a detailed illustration of the paternal brain network).

Figure. Brain Network of Paternal Brain

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Brain Network of Paternal Brain
 

After childbirth, a father’s brain shows increased activity in the human caregiving network. This system encompasses a mentalizing network, an embodied simulation network, an emotional processing network, and a subcortical parenting network (amygdala, hypothalamus, and mesolimbic pathway). These changes have been associated with greater activation in emotion processing networks in fathers toward their own infant interactions, compared with childless men.

Increased activations in the medial prefrontal cortex, anterior cingulate cortex, insula, inferior frontal gyrus, and superior temporal sulcus were observed when fathers watched images or heard sounds from their infants compared with unfamiliar infants.7 Moreover, watching infant pictures, as opposed to adult images, was significantly associated with increased activity in the orbitofrontal cortex, with this activation being greater in fathers than in nonfathers.6 However, it is unclear whether these functional brain changes occur in the postpartum period or begin during pregnancy.

Most research has focused on paternal brain plasticity after postpartum caregiving experiences, comparing fathers and childless males to identify morphologic and functional differences.5 Although fathers do not experience the mother’s physiologic and hormonal changes associated with pregnancy, these studies neglected potential early paternal brain changes during pregnancy. Studies have shown decreased testosterone levels in expectant fathers during their partner’s pregnancy,8 and these hormonal differences have been shown to correlate with brain responses to infant stimuli after childbirth.5 Another study revealed correlations between gestational age and activation of the left inferior frontal gyrus and the amygdala in expectant fathers.2 Taken together, these findings suggest that hormonal dynamics may influence paternal brain plasticity during pregnancy, early before the first caregiving experience.

Steroid hormone signaling pathways, including those involving androgens, estrogens, and progestogens, may remodel the paternal brain during pregnancy. Higher oxytocin levels and lower testosterone levels have been associated with increased parenting behaviors and father-infant interactions.9 Furthermore, plasticity can be shaped by experiences associated with the onset of fatherhood, such as cohabitation with a pregnant partner.10 In an animal study, cohabitation with an unrelated female increased the expression of vasopressin messenger RNA in neural pathways mediating hippocampal regulation of the hypothalamic-pituitary-adrenal system and decreased the expression of vasopressin peptide in the lateral septum and lateral habenular nucleus.10 These findings suggest that investigation into how and when such variability in paternal phenotypes emerges is needed.

Further research will also be crucial for understanding the brain mechanisms involved in paternal depression and anxiety during the perinatal period. Approximately 8% of fathers present with postpartum depression in the year after childbirth, but the neurobiological mechanisms involved in this are still unknown. The brain changes observed in fathers affect areas involved in emotional regulation, and this perinatal neuroplasticity could increase vulnerability to mental health conditions, weakening the ability to cope with stress factors.

Advancements in human neuroscience offer opportunities to investigate whether hormonal and experience-related factors shape the paternal and maternal brain differently during pregnancy as well as the implications for caregiving post partum. As with the maternal brain, longitudinal studies are needed to compare morphologic and functional changes in fathers’ brains during preconception, pregnancy, and the postpartum period. We urgently need to better understand the cerebral processes that affect the paternal brain.

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Article Information

Corresponding Author: Hugo Bottemanne, MD, Institut du Cerveau, Paris Brain Institute, Assistance Publique-Hôpitaux de Paris, UMR 7225/UMRS 1127, INSERM, 47 Boulevard de l’Hôpital, 75013 Paris, France ([email protected]).

Published Online: November 13, 2024. doi:10.1001/jamapsychiatry.2024.3592

Conflict of Interest Disclosures: None reported.

Additional Contributions: We thank the Paris Brain Institute for supporting this study.

References

1.

Servin-Barthet C, Martínez-García M, Pretus C, et al. The transition to motherhood: linking hormones, brain and behaviour. Nat Rev Neurosci. 2023;24(10):605-619. doi:10.1038/s41583-023-00733-6PubMedGoogle ScholarCrossref

2.

Diaz-Rojas F, Matsunaga M, Tanaka Y, et al. Development of the paternal brain in humans throughout pregnancy. J Cogn Neurosci. 2023;35(3):396-420. doi:10.1162/jocn_a_01953PubMedGoogle ScholarCrossref

3.

Paternina-Die M, Martínez-García M, Pretus C, et al. The paternal transition entails neuroanatomic adaptations that are associated with the father’s brain response to his infant cues. Cereb Cortex Commun. 2020;1(1):tgaa082. doi:10.1093/texcom/tgaa082PubMedGoogle ScholarCrossref

4.

Kim P, Rigo P, Mayes LC, Feldman R, Leckman JF, Swain JE. Neural plasticity in fathers of human infants. Soc Neurosci. 2014;9(5):522-535. doi:10.1080/17470919.2014.933713PubMedGoogle ScholarCrossref

5.

Abraham E, Hendler T, Shapira-Lichter I, Kanat-Maymon Y, Zagoory-Sharon O, Feldman R. Father’s brain is sensitive to childcare experiences. Proc Natl Acad Sci U S A. 2014;111(27):9792-9797. doi:10.1073/pnas.1402569111PubMedGoogle ScholarCrossref

6.

Feldman R, Braun K, Champagne FA. The neural mechanisms and consequences of paternal caregiving. Nat Rev Neurosci. 2019;20(4):205-224. doi:10.1038/s41583-019-0124-6PubMedGoogle ScholarCrossref

7.

Abraham E, Hendler T, Zagoory-Sharon O, Feldman R. Interoception sensitivity in the parental brain during the first months of parenting modulates children’s somatic symptoms six years later. Int J Psychophysiol. 2019;136:39-48. doi:10.1016/j.ijpsycho.2018.02.001PubMedGoogle ScholarCrossref

8.

Saxbe DE, Edelstein RS, Lyden HM, Wardecker BM, Chopik WJ, Moors AC. Fathers’ decline in testosterone and synchrony with partner testosterone during pregnancy predicts greater postpartum relationship investment. Horm Behav. 2017;90:39-47. doi:10.1016/j.yhbeh.2016.07.005PubMedGoogle ScholarCrossref

9.

Weisman O, Zagoory-Sharon O, Feldman R. Oxytocin administration, salivary testosterone, and father-infant social behavior. Prog Neuropsychopharmacol Biol Psychiatry. 2014;49:47-52. doi:10.1016/j.pnpbp.2013.11.006PubMedGoogle ScholarCrossref

10.

Wang Z, Ferris CF, De Vries GJ. Role of septal vasopressin innervation in paternal behavior in prairie voles (Microtus ochrogaster). Proc Natl Acad Sci U S A. 1994;91(1):400-404. doi:10.1073/pnas.91.1.400PubMedGoogle ScholarCrossref

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Are Family Courts at War with the Constitution?

In this conversation, I sit down with longtime scholar and author Stephen Baskerville to take a hard look at modern family courts, no-fault divorce, paternal rights, and the assumptions behind shared parenting. Stephen argues that what many people take for granted in divorce and custody law may be far more troubling than they realize—not only for fathers and children, but for the rule of law itself. Join us in this challenging and thought-provoking discussion that raises questions most people never hear asked.

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Blame it on the Manosphere

This short video takes a humorous look at the current panic among feminists and the media over what they call the manosphere. In reality, the manosphere is one of the places where their false narratives are being exposed. What we are seeing now is the creation of a straw man—something to blame, distort, and use as a distraction from the truth that is coming to light. More and more people are waking up to the game and beginning to see the hostility and self-interest that have been there all along.

(This video was produced largely with AI. I wrote the script, and the music and images were AI-generated.)

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From Description to Smear: The Guide to the Manosphere

Today’s video is a lively and revealing conversation with Jim Nuzzo about the growing panic over what the media and academia call “the manosphere.” Together, we take a close look at a new Australian guide for teachers that claims to help schools deal with so-called misogynistic behavior among boys. What we found was not careful scholarship, balanced concern, or genuine curiosity about boys. What we found was a familiar pattern: boys portrayed as the problem, their questions treated as threats, and their frustrations dismissed before they are even heard.

Jim brings his scientific eye to the discussion, and that makes this exchange especially valuable. We talk about the sudden explosion of academic and media attention on the manosphere, the way fear is being used to drive the narrative, and the striking absence of empathy for boys who feel blamed, dismissed, and alienated. We also explore something the guide never seriously asks: why are boys drawn to these spaces in the first ...

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Once you put them on you can’t taken them off.

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You can’t force others to where them

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https://www.facebook.com/share/r/1Cak9m6uiY/?mibextid=wwXIfr

Women can they just won’t!

This is on point and even this will be seen as anti woman

May 01, 2026
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Tucker on Fatherhood: Here's What He Forgot



Fatherhood matters.

That’s the message at the heart of Tucker Carlson’s documentary Fathers Wanted—and it’s a message worth hearing.

A man who gives his time, his energy, and his life to his children is doing something deeply meaningful. There’s no controversy there.

But as I watched the film, I kept noticing something else.

Not what it said.

But what it didn’t.

Because by the end, the story felt strangely incomplete—like watching a documentary about lung cancer that never once mentions smoking.


The framing begins immediately.

Within the first moments, we are told that young men are choosing pornography, video games, and drugs over marriage and family. The implication is clear: the problem is not just that fatherhood is declining, but that men are turning away from it—opting for comfort, distraction, and indulgence instead.

That may be true in some cases.

But starting the story this way does something important. It establishes, from the outset, that the primary driver of fatherlessness is male behavior.

Everything that follows is filtered through that lens.


The film goes on to frame fatherlessness largely as a cultural and moral failure.

Men, we’re told, are retreating. Avoiding responsibility. Choosing comfort over commitment. Losing faith. Losing purpose.

By the end, the message is unmistakable: good men step up, bad men walk away.
And if a father abandons his children, Carlson makes it clear—he deserves contempt.

That’s a powerful claim.

But it rests on a narrow frame.


Because what the film barely examines—if at all—is the system in which modern fatherhood actually exists.

There is no serious discussion of:

  • family courts

  • custody outcomes

  • child support structures

  • no-fault divorce

  • or how fathers often lose daily access to their children

These are not minor details.

They are central to understanding what happens to fathers in the real world.


In many cases, fathers do not simply walk away.

They are separated—from their children, from their role, from their identity as fathers—by processes largely outside their control. A man can go from being an everyday presence in his child’s life to being a visitor—or, in some cases, a paycheck. And yet, culturally, the outcome is often interpreted the same way:

He left.

But that is not always what happened.


There is another layer here the film only partially acknowledges. For decades, men have been broadly portrayed as:

  • oppressive

  • emotionally deficient

  • disposable

  • dangerous

  • ​toxic

These ideas have been reinforced across media, education, and public discourse—under the influence of feminist frameworks that carry a deep skepticism and contempt toward men.

At the same time, we have seen something very different happen on the other side.

Single motherhood has increasingly been framed not as a difficult circumstance to be supported and stabilized, but as something to be celebrated—even idealized. Cultural messaging often elevates the strength and independence of mothers raising children alone, while saying very little about the cost of a father’s absence.

The contrast is striking. Fathers are questioned. Their role is diminished. Their presence is treated as optional. While single motherhood is often presented as sufficient—sometimes even preferable. The result is a contradiction we rarely confront: We tell men they are not needed. We question their value. We undermine their role.

And then we ask why they hesitate to step into it.


​When structural forces are ignored, a complex social problem ​can get reduced to a simple moral failure. And when that happens, the burden of explanation—and blame—falls almost entirely on individuals.

In this case, on men.


Carlson is right about something important:

Fatherhood matters.

But if we want more fathers present in their children’s lives, we need to do more than praise the ideal We need to examine the systems that shape the reality. Because until we do, we will keep asking the same question—

Why aren’t men stepping up?

—without fully understanding what they are stepping into.

Men Are Good, as are you.

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April 27, 2026
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She Sees the Problem-But Not The Imbalance
The conflict between men and women isn’t just mutual—it’s shaped by a culture that amplifies one narrative and attacks the other.

In a recent piece for The Globe and Mail, Debra Soh takes on a topic that is long overdue for honest discussion: the growing hostility between young men and women, and the role online spaces play in fueling it.

To her credit, she does something that many commentators still avoid. She acknowledges that the problem is not confined to the so-called “manosphere.” She names the existence of a “femosphere” and recognizes that it, too, can promote distrust, manipulation, and even outright hostility toward the opposite sex.

That matters.

For years, the dominant narrative has been that toxicity flows in one direction—that men are the primary source of gender-based hostility, and women are largely reacting to it. Soh challenges that assumption. She points to polling data showing that young women, in some cases, hold more negative views of men than men do of women. She highlights the cultural double standards that allow anti-male messaging to pass with far less scrutiny than anti-female messaging.

All of this is important. And it takes a certain degree of intellectual independence to say it out loud.

But this is where her analysis stops just short of something deeper.

Soh ultimately frames the problem as a kind of mutual escalation—two sides locked in a feedback loop of resentment, each needing to step back, see the other more clearly, and abandon the worst impulses of their respective online cultures.

It’s a reasonable conclusion. It’s also incomplete.

Because it assumes that these two forces exist on roughly equal footing.

They don’t.

The hostility toward men that Soh describes is not simply emerging from fringe online communities. It is reinforced—often subtly, sometimes explicitly—by the broader culture itself. Media narratives regularly cast men as dangerous, deficient, or morally suspect. Academic frameworks frequently position men as privileged agents and women as vulnerable recipients. Institutional policies are often built on these same assumptions.

Over time, this does something powerful: it transforms a perspective into a kind of cultural default.

It begins to feel less like an opinion and more like reality.

By contrast, the hostility that emerges from the manosphere exists in a very different environment. It is not institutionally reinforced. It is challenged, criticized, and often condemned outright. Again, that does not make it accurate or healthy—but it does mean it operates under constraints that the opposing narrative largely does not.

This creates a playing field that is far from level.

One set of ideas is amplified and legitimized. The other is policed and marginalized.

And that asymmetry matters more than we often acknowledge.

Because when one narrative is embedded in institutions, it shapes not just opinions, but outcomes. It influences how boys are educated, how men are treated in courts, how male suffering is perceived—or overlooked. It becomes part of the background assumptions people carry without even realizing it.

Meanwhile, the reactive spaces that emerge in response—however flawed—are then judged as if they exist in isolation, rather than as downstream responses to an already tilted system.

This is the piece that Soh only partially touches.

She sees the hostility. She sees the polarization. She even sees that anti-male sentiment is more widespread than many are willing to admit.

But she does not fully account for the cultural forces that sustain and legitimize that sentiment.

And without that, the solution she offers—mutual correction—risks placing equal responsibility on two sides that are not equally empowered.

To be clear, none of this is an argument for excusing hostility—whether it comes from men or from women. We need to resist the pull of the worst elements on either side. Dehumanization, wherever it appears, damages everyone involved.

But understanding requires clarity.

And clarity requires us to ask not just what is happening, but where the weight of the culture rests.

Until we do that, we will continue to describe the conflict between men and women as a symmetrical breakdown in understanding—when in many ways, it is something much more lopsided than that.

Men are good, as are you.

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April 23, 2026
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When Men Fall Behind, We Blame Them

For decades, we’ve been told a simple story: when women fall behind, it’s injustice. When men fall behind, it’s failure.

That may sound exaggerated. But new experimental research suggests it isn’t.

A recent large-scale study involving more than 35,000 Americans found something striking. When participants were presented with a situation in which a worker had fallen behind—earned less, performed worse, or ended up with nothing—people responded differently depending on whether that worker was male or female.

When the low performer was a man, significantly more participants chose to give him nothing. When the low performer was a woman, more participants redistributed support. Even more revealing, participants were more likely to believe that the man had fallen behind because he didn’t try hard enough.

The researchers call this “statistical fairness discrimination.” That is, people infer that disadvantaged men are less deserving because they assume their disadvantage reflects low effort.



The Effort Story

In the study, participants were asked to redistribute earnings between two workers. In some conditions, earnings were based on productivity. In others, earnings were assigned randomly.

Here’s the important part: even when outcomes were random—when effort had nothing to do with it—participants were still more likely to believe that the male who ended up behind had exerted less effort than the female who ended up behind. In other words, even in the absence of evidence, assumptions about effort were not neutral.

In plain language: when men fall behind, people are more likely to assume they did not try hard enough.

That is not data-driven reasoning. It reflects a prior belief. And prior beliefs shape compassion.



The Compassion Gap

The study didn’t just look at small redistribution decisions. It also asked participants about public policy: should the government provide support to people falling behind in education and the labor market?

Support dropped noticeably when the group described as falling behind was male rather than female.

In other words, sympathy is gendered. The willingness to intervene is gendered. The attribution of responsibility is gendered. Importantly, this was not confined to one political or demographic group. The pattern appeared broadly, suggesting that it reflects a shared cultural assumption rather than a narrow ideological position.

When women fall behind, we instinctively look for barriers. When men fall behind, we instinctively look for flaws.



What This Means

This pattern shows up in places many of us already sense it.

When boys fall behind in school, we talk about motivation and behavior. When girls fall behind, we talk about resources and environment. When men leave the workforce, we question work ethic. When women leave the workforce, we look for systemic obstacles. When fathers struggle financially after divorce, we assume irresponsibility. When mothers struggle, we assume hardship.

The study does not use the word gynocentrism, or make the obvious reference to moral typecasting. It stays within the language of behavioral economics and calls the phenomenon “fairness discrimination.” But the mechanism is clear: disadvantage is interpreted through a moral lens—and that lens is not symmetrical.

Women are more readily cast as vulnerable. Men are more readily cast as responsible. And responsibility without context easily becomes blame.



The Quiet Cost

This matters because perception drives policy.

If society believes that male disadvantage is primarily self-inflicted, there will be less urgency to address it. If people assume boys who fall behind simply didn’t try hard enough, we will design fewer interventions. If struggling men are viewed as less deserving, institutions will reflect that belief—often without conscious intent.

No one has to be malicious. All that is required is a background assumption that male failure signals character weakness. Once that belief takes hold, compassion narrows. And when compassion narrows, so does support.



A Hard Question

Here is the uncomfortable question: why are effort assumptions gendered in the first place?

Why do we instinctively read female disadvantage as circumstantial and male disadvantage as dispositional?

The study does not answer that. It simply shows that the pattern exists. But patterns rarely emerge from nowhere. They reflect cultural narratives about men as agents, providers, and actors—people who are expected to overcome adversity. When they do not, disappointment can harden into judgment.

Women, by contrast, are more often framed as relational beings whose setbacks invite protection. Protection invites support.
Men are more often expected to handle adversity on their own. And when they do not, expectation invites scrutiny.



When Men Fall Behind

We are living in a time when boys lag in reading proficiency, when young men withdraw from education, when male labor-force participation declines, and when male suicide rates far exceed those of women.

Yet when men fall behind, the cultural reflex is not alarm. It is evaluation. Did he try hard enough? Did he make better choices? Did he apply himself?

Sometimes those questions are valid. But when they are asked of only one sex, they reveal something deeper than fairness.

They reveal a compassion gap.

And that gap shapes everything—from classrooms to courtrooms to public policy.

When men fall behind, we don’t just measure their outcomes. We measure their worth.

Men Are Good, as are you.




https://academic.oup.com/jeea/article/23/6/2212/8112864
Cappelen, A. W., Falch, R., & Tungodden, B. (2025). Experimental evidence on the acceptance of males falling behind. Journal of the European Economic Association, 23(6), 2212–2240.

 
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