This is, perhaps, admitting to more than he's ready to admit but they're out here and they're talking and his nerves are still buzzing with adrenaline from the raptor fight. What does he really have left to lose? It's all so messed up anyway.
"Don't get ahead of yourself." he snorts, defensive, but... "We both know it's just a matter of time. Hell, without the bands? You probably would've gotten there first."
In a different kind of way, of course, and he feels like he needs to clarify this to Jack face to face while he still has the chance and the courage to do so. This is big and they need to know exactly how big.
"I don't cheat. I don't share. This whole... this whole thing is something I don't do." He makes a vague gesture, implying everything that's happened over the last couple of days. "So... go easy on me. I'm trying, here."