Papa is telling his son a bedtime story. "once upon a time, there was a white bunny..."
"Aw, c'mon, dad," says the boy. "That's kids stuff. What about some science fiction?"
"All right. Once  upon a time, there was a bunny in outer space..."
"Dad, please make it more grown-up. Im not that little anymore."
"Ok, ok, promise you won't tell your mom."
"I swear."
"Once upon a time, there was a naked bunny...."