Diane: Tell me, Sam, what brought about this sudden altruistic bent in your personality?
Sam: Hey, come on, I resent that. "Sudden?" I've always cared very deeply for people less fortunate than myself.
Lenny: Here they are.
[A team of Playboy Playmates enters the bar]
Diane: Oh, Sam, you great big humanitarian.
Sam: Who says you can't work for a worthy cause and still be sexually aroused?
Diane: You could be having an appendectomy and still be sexually aroused.
Sam: Be that as it may. I have to excuse myself now and go say hello to my fellow do-gooders.