[Involuntarily, he gets caught up in watching, draws in a breath through his nose - it's not that he wasn't preparing himself to Be Cool, it's just that the actual sight of Shiro is a whole other experience. Keith looks at him a moment longer than he should, before shaking himself out of it and yanking at his own shirt from the back to pull it over his head and dump it in the mess that is the tub.
It's not even rational when his eyes drift back to Shiro in the next moment, though. -- Fuck.]