[It's like that breath Shiro takes completely rolls over him, in a way that leaves Keith winded in turn, close to holding his breath altogether for a moment, until it finally becomes a stunted exhale -- and a small sound that's definitely too embarrassing to let himself think about. The press of his thumb, the fingers in his hair are far more distracting anyway. He focuses his gaze somewhere toward Shiro's shoulder, to where his own hand landed, and presses a little more too, curls his fingers over his shoulder as if to hold onto to him.]