Leslie Winkle: In the past I would have said something obnoxious, like "Happy birthday, dumbass," but I'm not going to do it. You and I have both grown a lot, and it's just so nice to see you all again. So... Happy birthday, Sheldon.
Sheldon Cooper: Oh now, you know I hate change. Say it.
Leslie Winkle: Happy birthday, dumbass!
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From: The Big Bang Theory