Prue: Phoebe, you have to save him. You can't let him out of your sight.
Phoebe: Oh, don't worry. I waited until he went to sleep, and then I broke a key off in his door to lock him in. He's safe 'til morning. (silence) Hey, wait. That's it? You're not going to get mad at me?
Prue: You were trying to do something good… and now you're going to get to do something… wonderful. I couldn't ask for a better birthday present than that.