Booth: You and Epps, okay, it's personal. You're everything that he hates.
Brennan: And what is that exactly?
Booth: Well, you know, you're a smart, strong, confident woman. (Brennan smiles slightly) And uh, figured him out you made him feel powerless. So, he's gonna want to uh, prove that uh, you're weak and inferior. So you are not to go out on your own ever.