It's a thing I'm sure plenty of people miss out on. [ Used to be there weren't classes or anything, you just hoped there was a friendly person around to clue you in. And then instincts and hormones will do what they do, so you find out eventually. Absolutely rife for unpleasantness of varying kinds. ]

It doesn't take any studying unless you really want to get into the weeds. [ Red Son might be a poor source on this just saying. ] Just someone willing to be honest. Some people get squirmy about it.

[ Macaque isn't not among them, but not out of embarrassment about anatomy or whatever. It's the emotional thing. But this kid did help him out, so. ]