"Hell, he thinks just staying here is a betrayal, even though he doesn't have a choice. And there's more."

Ava pauses.

"Demonic possession is hard on a person. Most people it happens to die if they don't get exorcised fast enough. And Lucifer's an angel, I guess, and Sam did have--really strong psychic powers. But ...

Lucifer's been inside him for years. Most humans die from possession much, much faster than that. And Andrew ... is convinced that Sam's still alive."

(Her voice quavers slightly on the last three words. So slightly it's easy to miss.)