[While Castiel takes the wash cloth from Dean, he does it with a glare.] Yes, you've made your point that you think we should kill it as soon as we get the chance. Thank you. [Dean, why did you ever teach him sarcasm?

He peers down at the dragon, though, leaning forward to start wiping all the blood off of its snout. Not much can be done about the meat caught between its fangs, but Castiel imagines that'll sort itself out eventually.

When he's done, he sets the cloth down and leans back, but the dragon almost instantly jumps up to settle on top of him. Letting out a small "oomph," Castiel has to jerk his head back to avoid being smacked right in the face by one of those wings.

Plus its claws are digging into his abdomen.] If you're going to do that, you need to lay down.

[He keeps talking to it. Castiel realizes that's probably a bad sign, but there's no harm in checking to see if it can understand human speech.]