Bonnie: Oh, hold on, you've got a loose button right there.
Niles: No, no. It's all right.
Bonnie: No, it's about to come off.
Niles: No-
Bonnie: [pulling off the button] See? Here, I'll sew it back on for you. [removing Niles' blazer] I've got needle and thread. You don't want to lose it, do you?
Niles: I'm trying not to.