"But you've never gone around saying 'vagina, vagina' like a sex-ed textbook before," continued Karyn. "Everyone already knows you have one. That's why even though the rest of you is boyish, you still go to girls' gym class."
"Karyn," said Jon, "think about how little sense that makes. I'm a guy with a vagina?"
"Sure. What's the matter with that? I mean, by definition you're a girl since you have a vagina, but you may as well be a guy otherwise, since you look just like one."
"It's magic," said Jon. "I had a wishing stone and lost it by mistake. The wishing stone gave me a vagina."
"What are you talking about? There's no such thing as wishing stones. You've always been like that."
"Have you ever heard of any other guy with girl parts, Karyn?"
"Well, no, but I've heard of girls. And you're really not that different from other girls, you just look different. Are you sure you're feeling okay?"
Jon was about to give up. It just wasn't possible to convince someone who hadn't heard of real wishes that a wish had just happened. "No, Karyn," he said. "I'm not feeling okay."
"Why didn't you say so?" asked Karyn. "I figured you were pretty upset because of...."