I’ve just claimed that there are no separate male and female senses for friend. Does the following dialogue prove this wrong?

Jane: Do you have a friend?

Julia: Yes, Sue is my friend.

Jane: No, I didn’t mean a friend, I meant a friend.

Julia: Oh, yeah. Perry and I have been together for five years.

Or is there more going on here than male / female senses of friend?

这是在某本书上看到的一段话，请问各位这段话讲的是什么意思？