It happens frequently when I meet someone new. We each say what work we do, and then he or she says, “You are a man. Why are you interested in family planning?”
Gender and gender identity are complex and diverse: there’s not just one way of being a girl, being trans gender, and those also aren’t your only choices. So how do you figure out where you’re at when the little boxes don’t seem to fit?
Having a foreskin or not having one does not make anyone more or less of a man or a bad or better lover. Both of those things are a lot more complex than just what kind of penis you have, and have little to do with anyone’s genitalia.
Sex is over when one or both partners don’t want to have it anymore, either because they both feel satisfied or just because one or both are done with the whole works for the time being.