"Small favours," Sean mutters, and while he wants to speak as little as possible right now, it's probably a smart idea to at least try, to keep himself from retreating entirely into his own head until they're home. It's hard enough keeping himself from constantly adjusting his grip on the thing, knowing full well that it's going to do nothing to lessen the sting of frigid metal under his hands. "Blizzard's got nothin' on this, though."