[Castiel just stares at that for a moment, because of course. Crowley is an idiot, and in a moment all of Castiel's stress and fear redirects to anger.]

He is obsessed with proving that he knows more about opening a portal out of here than I do. This is a competition and that's all, and he's going to get everyone killed doing it.

[It's stupid and Castiel is so angry and he knows it's completely out of proportion, but this is all over Crowley's ego and Crowley knows better.]