N: I'm going to tell you a joke. Why did the kitty cat sleep in a
(Well-timed pause to build suspense)
N: Because the man ate the leaves!
(Uproarious laughter from J)
J: Okay, I'm going to tell you a joke. Why did the cat sleep in the tree?
(Another well-timed pause)
J: Because the tree was a kitty cat!
(More uproarious laughter, this time from N. Am I the only one who doesn't get the jokes?)