[Looks back up at him when he says that, frowning. his hand moves as if to touch Keith in some way, as he would in any other circumstance, but stops before making contact when he remembers all the blood. He settles for shaking his head, instead, pained. No, no, that's not right...]
It wasn't your fault, Keith. [He doesn't deny that he can feel it, though, but reassuring Keith takes precedence over addressing the other stuff.]