LOL I'm loving this thread. I'll share a quick story here.

When I was about 6, my mother (being a product of the feminist revolution) had always told me I can be whatever I want to be when I grow up. Girls can have anything boys have.

With this in mind, my best playmate at the time was a little boy in the neighborhood. As many little boys that age do, he announced one afternoon that boys have penises and girls have vaginas. I didn't really know what he was talking about, but I remembered my mother's words. Girls can have anything boys have.

So I informed him that girls can have penises too, because we can have anything boys can have!