Booth: So why don't you wear the green thingy?
Brennan: What, this? It makes me look like a golf course.
Booth: Bones, what's the matter? You're never like this?
Brennan: You don't think I should care about how I look?
Booth: Right. I get it. Uh, you're an airplane propeller and I'm about to walk into you, so I'm gonna take a step back.