Bill: Why must you always disagree with what I say?
Bob: But I don't disagree
Bill: Yes you do
Bob: No, i don't
Bill: Yes, you do
Bob: No, I don't
Bill: Yes, you do!
Bob: No, I don't!
Bill: You're doing it again!
Bob: Doing what?
Bill: Ok, maybe you don't disagree with me
Bob: *thinks*...Yes, I do!
Bill: Aaargh!!! *faints*