"-You mean you're friggin' lying!"

(Gabriel? Gabriel was dead - and it was he and Sam's fault.

Dean recalled the circumstances with a pang of guilt; he'd never told Cas how his brother had died - that if he and Sam hadn't been involved, Gabriel would still be alive.

That wily angel had sacrificed himself for them, and now this imposter was poking at the guilt-ridden memory with a stick.)

Dean's flask of holy water emptied in the girl's direction.