Bisexual woman dating a transman
We know, without question, that humans are not just born male and female.
A sociological manifestation of this phenomenon is the so-called “pretendbians” – men who insist they are women, dress in women’s clothes, and present as women, but then wish to retain their male biological parts whilst saying that they are lesbians who want to date other lesbians.
(There are actually many more than six but they result in spontaneous abortion as the body knows the fetus won’t be viable so it is flushed out of the system in a natural process meant to minimize the amount of nutrients and metabolism devoted to growing non-viable offspring.) The six biological karyotype sexes that do not result in death to the fetus are: When you consider that there are 7,000,000,000 alive on the planet, there are almost assuredly tens of millions of people who are not male or female.
Many times, these people are unaware of their true sex.
There was a news story about a 66 year old man who discovered, during a trip to the doctor, that he was really a woman.
If you don’t have a biology or genetics education background, or never really took an interest in reproductive strategies of various animals and plants in nature, that might seem absurd, or even impossible. It’s far more common than the general population realizes.