Sam turns to look at Bobby, arm resting on the opened car door. "No, we're gonna crash and hit the road in the morning," he says, feeling a bit guilty.

He knows this is for the best. That he and Dean need time to themselves and Bobby needs time to deal with this. And Dean is gonna kill him for asking, but...

"We can stick around if you need us," he offers. He doesn't want to feel like he's leaving Bobby flat.