Gabriel's sulking- why wouldn't he? Raphael finally becomes a real girl or, at least, gets on the path to it and now she's not here? And this after everything they went through with Castiel.

At least with Castiel, it hadn't felt so damn final.

He flicks his eyes at Lucifer and then goes back to staring at the ceiling. "And another one bites the dust. Starting to think the Animus have something against angels. Go figure."