Not that one. Severus was curious. His fingers lingered, but only just above that scar. Was it special? Severus had no outward signs of his father's violence. His mother tended all of it with magic and droughts.

Oh, his heart was going to beat right out of his chest, Severus was absolutely certain of that. He swallowed lightly and lifted his face to mouth against Sirius's throat.

He could mark him again.

"More for that mysterious Ravenclaw," he said out loud.