Usually people give things as presents or keep things as trophies, no matter what they are.

[ He raises an eyebrow because he's pretty sure Kano doesn't see him as a friend and vice versa. Maybe it doesn't matter. As much as he'd like to use pinpointing to get that info out right away because he's always impatient, he doesn't. It's not for the sentimentality reason that he gave Minato though. He just simply doesn't bother. ]

I'm not your boss or whatever either.