Season 5, Episode 4: "The Sniffing Accountant"

You're out of your mind, you know that. Why?

It's an exclamation point.

It's a line with a dot under it.

Well, I felt it called for one.

"Called for one." You know, I thought I'd heard of everything.

I never heard of a relationship being affected by punctuation.

I find it very troubling that he didn't use one.

George is right.