The hungry and the hunted (слэш)

“You’re messing with me,” Sam states, trying to keep his voice even, “you’re playing some sick game to make sure I won’t come after you again.”
Dean gives him a wide, borderline manic grin, making Sam’s stomach clench with nausea.
“That was my plan,” Dean says, eyes gleaming dangerously, “but Sammy, now that you picked up that knife...” He grins, tilts his head up a little, exposing his throat. “Why don’t you put it to good use?”