He watches the demon, looking vaguely surprised over that particular comment. In a moment of casual conversation, it could have led into something about the perceived differences between angels and demons. About good guys and --otherwise.

"I-...thank you." He settles on that, letting the quiet fall for a few seconds. "I'm sorry. About all of this mess. Not the-" He gestures vaguely. "Disease, I'd rather much not be dealing with it at all, but, everything else."

He looks up at Crowley, sitting a bit crooked. Can't really be bothered about posture when your body is too stiff to move properly. "I do appreciate all your help. It...means a lot, to me."