(Brennan stare at him sadly after their disagreement.)
Booth: Don't do that. Not that look, please. Don't give me the sad eyes.
Booth: Ah, come on. No, I'm not looking. I'm driving.
Brennan: Come on.
Booth: (to himself) Just keep driving. Oh, you were never able to do this look before the baby. What did the baby do to you?