This post discusses gender identity, gender dysphoria, discrimination, transphobia, minority stress and mental health. It also references historical psychological theories (e.g. Freud) that some readers may find outdated or offensive.

I am a transgender man and one of the most common questions I am asked is, “but how do you know you are a man?” While this may seem like a simple question on the surface, it becomes more complicated the more I reflect on it. I know that I am a man through a deeply felt and persistent sense of identity, the same way other people know fundamental truths about themselves. However, actually translating that certainty into language is surprisingly difficult.

I also find the question itself interesting, from a psychological view, because cisgender people are very rarely asked how they know they are men or women. Their gender identities are generally accepted, and they often don’t have to face scrutiny because they align with the sex they were assigned at birth. Transgender people, on the other hand, are often expected to justify, explain and provide evidence for their identities. And this raises two very important questions: first, how do people know their gender identity? And second, why are transgender people expected so often to explain a certainty that cisgender people are rarely asked to justify?

This essay explores gender identity as a form of self-knowledge, while examining the social and psychological processes that shape how transgender identities are understood, it will do so by drawing on developmental psychology, critical psychology, discursive psychology and social psychology.

According to The American Psychological Association (APA), gender identity can be defined as an individual’s internal sense of being male, female, both, neither, or somewhere along a gender spectrum (APA, 2026). Gender identity is not to be confused with biological sex, which refers to physical characteristics such as hormones, chromosomes and reproductive anatomy.

The challenge in explaining how someone “knows” their gender stems partly from the nature of self-knowledge itself. Human beings regularly possess knowledge about themselves that cannot be directly observed by others. For example, individuals generally know whether they are anxious, confident, shy, religious, creative or in love without the need for external proof. Such knowledge is rarely considered invalid, despite it being subjective.

Psychologists have recognised for a long time that identity forms a central component of a person’s self-concept. Self-concept refers to the collection of beliefs that an individual holds about themselves and plays a vital role in psychological wellbeing (Baumeister, 1999). Gender identity could be understood as one dimension of a broader sense of self.

Therefore, the difficulty many transgender individuals face when asked how they “know” their gender may reflect the challenge of articulating an internal experience that is largely intuitive and embodied, rather than uncertainty.

Many psychologists have attempted to explain gender throughout the history of the discipline. Most notable is one of the early theories proposed by Sigmund Freud (1905; 1953), who suggested that children progress through a series of psychosexual developmental stages.

Within Freud’s framework, it was assumed that girls experienced “penis envy” after recognising the anatomical differences between males and females, and Freud argued that this awareness shaped the later psychological development and gender identification of those girls (Freud, 1905; 1953).

Despite being historically influential, Freud’s theory has been widely criticised by contemporary psychologists, who argue that Freud’s ideas reflected the social and cultural assumptions of early twentieth-century Europe rather than universal psychological processes (Fine, 2017). Moreover, many of the concepts are difficult to test empirically.

Freud’s explanation does little to account for transgender identities. If transgender men simply desired social privilege or male anatomy, it would be difficult to explain why so many pursue transition despite the significant personal costs to them. Research steadily shows that transgender individuals may face discrimination, victimisation, rejection, reduced social support and barriers to healthcare (Meyer, 2003; Testa et al., 2015). The persistence of transgender identities despite these hurdles appears to represent a more fundamental aspect of selfhood, rather than just envy, social advantage, or anatomical preference. 

Contemporary developmental psychology provides a different perspective to Freud’s. According to research by Martin and Ruble (2010), children begin developing an understanding of gender categorisation at an early age and typically present with stable gender identities by approximately three to four years old.

Importantly, research by Olsen et al. (2015) found that transgender children demonstrate the same consistency, persistence and intensity regarding their gender identities as those of cisgender children. These findings challenge the assumption that transgender identities are simply preferences, phases, or products of social influence. Instead, developmental evidence suggest that gender identity represents an enduring and meaningful aspect of psychological development.

For some transgender people, awareness of their gender identity is accompanied by gender dysphoria. Gender dysphoria is defined in the DSM-5-TR as clinically substantial distress resulting from an incongruence between the person’s assigned sex at birth and experienced gender identity (American Psychiatric Association, 2022).

On the other hand, researchers have increasing discussed the concept of ‘gender euphoria’, which refers to positive emotional experiences associated with being recognised as one’s affirmed gender and living authentically (Ashley and Ells, 2018), so focusing exclusively on distress would paint an incomplete picture of the transgender experience.

For many transgender people, moments of gender euphoria can be just as revealing as experiences of dysphoria. Dysphoria highlights what feels incongruent and euphoria highlights what feels authentic and, together, these experiences may contribute to an individual’s understanding of their gender identity.

Gender identity is deeply social despite it being experienced internally. Social identity theory suggests that people derive part of their self-concept from the membership of social groups (Tajfel and Turner, 1979). This could suggest that people have a fundamental desire to belong. Acceptance by friends, family, colleagues and communities contribute significantly to psychological wellbeing. Thus, any disclosure that may alter these relationships can create feelings of anxiety.

For transgender individuals, disclosing – or even acknowledging – their gender identity often involves uncertainty. Questions such as “will people accept me?” or “will I be treated differently” are not simply personal worries, but they reflect broader social processes concerning social acceptance and belonging.

Transgender people do not feel unsafe because they believe everyone is hostile or transphobic, this is a very common misconception; research suggests a much more nuanced explanation.

As proposed in the minority stress model, members of stigmatised groups experience additional stressors beyond those that are encountered by the general population (Meyer, 2003). These stressors include concealment of identity, internalised stigma, discrimination and the expectation of rejection.

Subsequently, an individual may experience hypervigilance. Hypervigilance refers to the heightened monitoring of the environment for signs of threat or danger, whether real or perceived. Members of marginalised groups often become particularly attentive to social cues indicating whether they are likely to be rejected or accepted (Meyer, 2003. A transgender person entering a new environment, for instance, could unconsciously assess whether it feels safe to disclose their identity. This response is not necessarily irrational but reflects an adaptive attempt to manage uncertainty and potential risk.

This does not require the belief that everyone is prejudiced. People frequently make decisions based not only on the probability of negative outcomes, but on the potential consequences of those outcomes. The emotional and social costs of rejection may still be significant, even if it is unlikely.

Furthermore, pluralistic ignorance could potentially explain the experience of ‘coming out’. Pluralistic ignorance occurs when individuals privately hold one belief while incorrectly assuming most other people hold a different belief (Prentice and Miller, 1993). This relates to transgender identities because a transgender person may overestimate the prevalence of negative attitudes towards their community. Simultaneously, supportive individuals may remain silent because they assume their acceptance is not widely shared. Both groups may then misjudge the social environment as a result.

It is likely that media representations contribute to this process. Stories involving discrimination, controversy and conflict often receive greater attention than acts of acceptance and support. Highly visible examples of hostility may become cognitively available and disproportionately influence perceptions of reality as a consequence.

This phenomenon is closely related to the availability bias where people estimate the frequency of events based on how easily examples come to mind (Tversky and Kahneman, 1973). Hence, negative attitudes may appear more common than they actually are. Pluralistic ignorance, therefore, offers a powerful explanation as to why coming out may feel frightening even in environments that ultimately prove to be supportive.

Broader social norms also shape the experience of being transgender. Researchers have used the concept of cisnormativity to describe the widely-held assumption that being cisgender is natural, normal and expected, while being transgender is viewed as being deviant and requiring explanation (Bauer et al., 2009). Cisnormative assumptions influence everyday interactions, cultural narratives and institutions. They shape the questions people ask and the expectations they hold surrounding gender.

It is then that transgender individuals may find themselves repeatedly expected to explain or justify experiences that cisgender individuals are very rarely asked to defend. The issue is potentially the operation of broader social norms that position cisgender experiences as default, rather than necessarily individual prejudice. This is where discursive psychology may be useful, as it examines how language is used to construct reality (Potter and Wetherell, 1987), while most psychological research focuses on what people think or feel.

The question “but how do you know you are a man?” is not merely a request for information from a discursive perspective. Questions perform social actions. They position people in particular ways and reflect assumptions about what requires explanation.

Therefore, discursive psychologists might observe that cisgender men are rarely asked how they know they are men. The asymmetry is revealing; one category is treated as ordinary and self-evident, while the other is positioned as unusual and accountable. This observation does not imply hostility on the part of the questioner but rather highlights how cultural assumptions shape interaction. The question itself reflects a social world in which some identities are treated as unquestioned norms and others are treated as requiring justification.

According to Billig (1987) attitudes emerge within a context of social debates and competing arguments. Questions about transgender identity often occur against a backdrop of broader cultural discussions concerning sex, gender, authenticity and identity, if we look at it from a rhetorical perspective. Consequently, transgender people may find themselves responding not only to personal curiosity but to wider societal debates.

This creates a unique psychological challenge, because the task is not simply to describe an internal experience but to translate that experience into a form that satisfies social expectations for explanation and evidence. The difficulty with answering, therefore, reflects the limitations of language when trying to communicate deeply personal forms of self-knowledge.

Psychology offers multiple perspectives that illuminate the complexity of identity, rather than providing a single definitive answer to how people know or experience their gender. According to developmental psychology, gender identity emerges early and remains relatively stable. Research on dysphoria and euphoria highlights the emotional dimensions of understanding oneself. Social identity theory, minority stress theory and research on pluralistic ignorance demonstrate how social environments shape experiences of identity, belonging and disclosure.

Critical and discursive perspectives add a further insight: the question itself needs examination. Asking transgender people how they “know” their gender may reveal less about transgender identities and more about the social assumptions that shape whose identities are considered “normal” and whose are considered questionable.

When I say I am a man, I am not describing a stereotype, a desire for social privilege or merely a preference. I am describing a persistent and deeply-felt sense of self. Psychology may not fully explain how such certainty emerges, but neither does it require certainty for it to be dismissed. Much of human identity rests upon forms of self-knowledge that are felt long before they are articulated.

Maybe the most revealing question is not how transgender people know who they are, but why society asks them to prove it.

Reference list:

• American Psychiatric Association. (2022). Diagnostic and statistical manual of mental disorders (5th ed., text rev.; DSM-5-TR). American Psychiatric Publishing. Available here (Accessed: 16^th June 2026)

• American Psychological Association. (2026). Gender identity. APA Dictionary of Psychology. Available here (Accessed: 16^th June 2026)

• Ashley, F., & Ells, C. (2018). In favor of covering ethically important cosmetic treatments: Facial feminization surgery for transgender people. The American Journal of Bioethics, 18(12), 23–25. Available here (Accessed: 16^th June 2026)

• Bauer, G. R., Hammond, R., Travers, R., Kaay, M., Hohenadel, K. M., & Boyce, M. (2009). “I don’t think this is theoretical; this is our lives”: How erasure impacts health care for transgender people. Journal of the Association of Nurses in AIDS Care, 20(5), 348–361. Available here (Accessed: 16^th June 2026)

• Baumeister, R. F. (1999). The self in social psychology. Psychology Press. Available here (Accessed: 16^th June 2026)

• Billig, M. (1987). Arguing and thinking: A rhetorical approach to social psychology. Cambridge University Press. Available here (Accessed: 16^th June 2026)

• Fine, C. (2017). Testosterone rex: Myths of sex, science, and society. Icon Books. Available here (Accessed: 16^th June 2026)

• Freud, S. (1953). Three essays on the theory of sexuality (J. Strachey, Trans.). Hogarth Press. (Original work published 1905). Available here (Accessed: 16^th June 2026).

• Martin, C. L., & Ruble, D. N. (2010). Patterns of gender development. Annual Review of Psychology, 61, 353–381. Available here (Accessed: 16^th June 2026)

• Meyer, I. H. (2003). Prejudice, social stress, and mental health in lesbian, gay and bisexual populations: Conceptual issues and research evidence. Psychological Bulletin, 129(5), 674–697. Available here (Accessed: 16^th June 2026).

• Olson, K. R., Key, A. C., & Eaton, N. R. (2015). Gender cognition in transgender children. Psychological Science, 26(4), 467–474. Available here (Accessed: 16^th June 2026)

• Potter, J., & Wetherell, M. (1987). Discourse and social psychology: Beyond attitudes and behaviour. Sage. Available here (Accessed: 16th June 2026).

• Prentice, D. A., & Miller, D. T. (1993). Pluralistic ignorance and alcohol use on campus: Some consequences of misperceiving the social norm. Journal of Personality and Social Psychology, 64(2), 243–256. Available here (Accessed: 16th June 2026).

• Tajfel, H., & Turner, J. C. (1979). An integrative theory of intergroup conflict. In W. G. Austin & S. Worchel (Eds.), The social psychology of intergroup relations (pp. 33–47). Brooks/Cole. Available here (Accessed: 16^th June 2026).

• Testa, R. J., Habarth, J., Peta, J., Balsam, K., & Bockting, W. (2015). Development of the Gender Minority Stress and Resilience Measure. Psychology of Sexual Orientation and Gender Diversity, 2(1), 65–77. Available here (Accessed: 16^th June 2026).

• Tversky, A., & Kahneman, D. (1973). Availability: A heuristic for judging frequency and probability. Cognitive Psychology, 5(2). 207–232. Available here (Accessed: 16th June 2026).