Bones Season 4 Episode 22

Booth: Look, if I die, I want you to do me a favor.
Bones: (interrupting him) Well, you will die, Booth. It's inevitable.
Booth: Alright, whatever, Bones. When I inevitably drop dead before you I'd like you to come out and, you know, spend some time and talk to me every once in a while.
Bones: Well I'll feel foolish knowing that you can't hear me.
Booth: Promise me. (Bones hesitates; Booth gives her a sad look)
Bones: I promise.
Booth: Hey, there you go, ah? You agreed, I didn't think you would agree! Now, why did you agree?
Bones: I believe that if I pretended you were still here, I'd feel better for a moment. Also, speaking to you would require me to figuratively look at myself through your eyes – again temporarily – and, I think that would make me live my life more successfully.
Booth: Hm. (puts an arm around her shoulder) You know what, Bones? That is the best thing that anyone has ... ever said about me.