Dean doesn't quite succeed at hiding a grimace. He's never been a fan of spells - too many ways for them to go wrong, and nothing that helpful comes for free - there's always going to be a sacrifice. He just hopes the key to getting out of here's not something they can't bear to give up.

With a worried pinch already between his brows, he takes in Castiel's tired face. "Yeah, we need a fresh start. Who knows how long we can stay under the radar here, might as well grab rest while we can."