First of all, what is somebody with XY chromosomes and a vagina? Somebody with one testicle and one ovary?

XY females and XX males exist.

People who do not fit the biological binary exist. Claiming I need to educate myself when you don't actually understand how genetic and phenotypical sex works in the first place?

Fact: Trans women are women.

Fact: Trans men are men.

Fact: Trans people are not mentally ill.

Fact: There are people who do not fit the phenotypical and genetic sex binary, because nature is messy that way.

Fact: There are more than two genders.