Sam is quiet at that, slumped in the back seat. Everything kind of hurts now; on second thought, maybe numbness is way better. He shifts to glance at Dean, but doesn't say anything for a long moment, until Dean's back in the driver's seat.

"When you're done with me - when Lucifer's dead, if I'm still alive - send me back."

Fair's fair.

Lucifer fucked it up.