Frasier: You know, sometimes I think that Sam is actually pretending to be less intelligent than he really is.
Diane: But how intelligent would someone have to be to successfully pretend to be that dumb?
Frasier: Boy, I'm not even sure that I could pull it off.
Diane: Oh, yes, you could. [they kiss]
Carla: Ew, yuck!
Diane: I'm sorry, Carla, if we offended you with our public display of affection. But try to understand, Frasier Crane has the same effect on me that cheap chianti and dice hanging from a rear view mirror have on you.
Carla: Boy, you got it bad.