You got off lucky if you still think they're interesting. [Look he's had to listen to basically all of them since he got here, and unlike Reid, Derek isn't exactly up-to-date on things like multiversal theory.] Both, someone's gotta keep an eye on him out in the field.

[He knows Reid hasn't made it a secret that he works for the FBI, so.

And he's just going to pretend words like "co-worker" or "friend" are strong enough. The whole team is family, even if that hurts a little with Prentiss leaving.]