Because we live in this world, labels are important.
And having names and definitions for these gender identities can help gender non-conforming people shape an understanding of who they are.
That's why we worked with GLAAD to compile a list of gender identity terms and their definitions — so that maybe someone can find themself in one of these words, or their friends and allies can gain a better understanding of who they are.
Compare Casual Kink, which is the same thing for BDSM and fetishism.
Compare Ambiguously Bi, where things are more, well, ambiguous.
The prevailing theory is simple: "Differences in levels of circulating sex hormones [of the fetus] usually testosterone during one or more critical periods of development cause the brain to develop in a more-male-like or more female-like direction, and these differences influence a spectrum of gendered traits in juvenile life and adulthood, including the preference for male and female sex partners." More simply, prenatal hormones circulating in the mother's womb influence the sexual orientation of the fetus.
In the case of gays, the hormones make them more feminine.But there's an important caveat that the gay activists don't mention when trumpeting this good news.The science ties sexual orientation to gender, the sense of being masculine or feminine.Miranda: Oh, I forgot to tell you, I'm a fire hydrant! As a child, the Urning manifests an entirely unmistakable inclination toward girls' occupations, toward the company of girls, toward playing with girls' toys, especially dolls.Their effeminacy and sexuality are tied together and flow from the same gender-shift.