Alright, that's actually making him smile a bit. At least this guy's got the... right attitude? Kind of?
He habitually jerks his arm away from the friendly contact, though: okay, it's just a poke, nothing more, and what he's wearing at present is leaving the machinery on his arms exposed - but still.

"Hell yeah. We can't hang around here all day. Uh, all night. C'mon!" A moment's pause. "...Where're we gonna start?"