It's no worse or better than liking men. There's a magazine for everything.
Gaydar is a mashup of gay and radar. It's the idea that you can tell if a person's gay or not by observing their actions. Which I guess I get in theory, but I'm not sure I believe it's a thing. Sexuality is a lot more complicated than. . .
Heh, uh, I just realized that hijacking someone else's post to get on a soapbox about heteronormativity is probably rude.