Little Pete came home from the playground with a bloody nose, black eye, and torn clothing. It was obvious he'd been in a bad fight and lost. While his father was patching him up, he asked his son what happened.
Well, Dad, said Pete, I challenged Larry to a duel. And, you know, I gave him his choice of weapons.
Uh-huh, said the father, that seems fair.
I know, but I never thought he?d choose his sister!?