Girl: "So she called and wanted to know why you were so pissy."
Guy: "Did you tell her why?"
Girl: "I don't know why."
Guy: "Good. Great. Now you know why I'm in such a bad mood."
Girl: "Because I don't know why you're in a bad mood."
Guy: "Do you see the circle of anger you create?"
-- Submitted by Ramblin' Man