"Well, I do what I can." He shrugged, but her laugh made him grin. "I don't mind sharing. Hit me with your best shot, Davis. I've got nothing to hide."
Well, except confidential details of cases, but he was sure that she understood that.
Forking up a fairly large bite of rice, Callen took the chewing time as an opportunity to think. No one had asked him that in a while. Finally, he swallowed. "I'm not sure there's an exact answer, other than that I've always liked people-watching. I like trying to figure out their motivations. I guess at that point it was either profiling or writing."