Jim's handshake is warm, firm, and brief. Still, there's an energy to it, the same as there's an energy to everything he does. Stillness is unnatural to him, the very concept more alien than any non-human member of his crew.

Still, he's adaptive. Some people get him when he's ostentatious about it, but he doesn't think this guy'd be too comfortable to see him at his most... well, manic. It's an easy thing to dial it back, transmute that energy into a sense of affable good cheer.

"I'm no expert, Doctor Banner, but I've got the advantage of a couple hundred years of advancements. I bet I could give you a run for your money." Which, yes, is a whisper of friendly competition.