Sam's entire body relaxes at that. He can handle this. He can handle keeping his distance from Dean for a little bit if it keeps Bobby in their lives. The relief is obvious on his face as he looks at the man who was a father to he and Dean their entire lives.

He doesn't know if there are words. If there's any way to express how much this means to him. To Dean.

"Okay," he says softly. "Onto the river wraith then."