Agony- "pressure, pressure, it's always just pressure!" bounced through Sam's body like a rubber ball, only made of iron. It batted away at the inside of his head, only to pound against the inside of his chest the moment he started to think that he could bear it.
"Me, Sammy. Only me. I'm the only one who can help you."
Sam's teeth grit together as he struggled to remember how to breathe. "You're not alone, he's coming, he's coming!" Sam had to remind himself.
"Sammy!" A voice that wasn't Lucifer's called.
Dean.
Bloodily, Sam smiled. "I told you he'd come."