They basically play pretend
Sexual degenerates of all kinds try to imitate normal heterosexual couples so hard it's actually sad, just think about it
In gay couples there usually is a top (=man) and a bottom (=woman), dyke couples are usually composed by a masculine butch and a girly girl, tranny lovers fuck a man in a dress and pretend it's a woman and so on
This is how you know that they're sexual deviances who aren't normal
>>12822185That's a meme, the biological father will be only one of the two, the other guy's DNA gets used only for some meaningless shit that doesn't affect the baby's genetics