Sam was in agony, but agony was nothing more than pressure, and pressure could be ignored. Fear, weakness, those were harder to repress.

"Say it."

"No." Lucifer snapped, as did Sam's arm.

"Say it," Lucifer repeated, tone shifting far away from pleasant.

"N-no."

Lucifer snapped again, and blood rose in Sam's throat as he felt his lungs pop like a balloon.

Sam's chest seized up as he tried and failed to just freaking breathe, but instead, he only choked.

"You are trying my patience, Sam."

"What patience?" Sam thought bitterly. Though, all he was able to actually say was, "No."