"I'm trying to take responsibility, Dean." Castiel snaps before he can stop himself, and his hands clench tightly atop his knees. Guilt so easily transforms into anger, into something ugly and defensive and that isn't what Castiel wants but even now, even in his most humiliating moments there's still that damning pride hanging on, stubbornly.

After a moment, more calmly: "There's no need to trouble Bobby and Sam with this. Just say what you need to and send me away."