Uh oh?

Karyn then slapped herself for her stupid wish. "Crap, that means whenever a man gets aroused, he will get a vagina instead of a penis, which means girls can't get pregnant from them, and the wish can't be reversed. I suppose theres only one way to fix it. I wish that at the age of 13, all boys become girls, and all girls become boys, and that all boys who used to be girls are unaffected by the previous wish." she said.