There were too many sensations all at once, and he could feel himself getting closer and closer to the edge, never quite managing to reach it. And then Scorpius grasped his cock, tugging in time with his thrusts. It was another added dimension and he vaguely wondered if those whispers and moans he heard were his. He thought they were.
Then suddenly there was warmth spreading inside him, and he knew that Scorpius had come. That in and of itself turned him on, to think that he had caused Scorpius such pleasure, that he let go of that last little bit of control, and came on the final thrust, calling out Scorpius' name.
The orgasm seemed like it lasted forever, and was almost painful in its intensity. He lay panting against the pillows, exhausted and sated, clinging to Scorpius tightly. "Don't let go," he whispered, holding Scorpius close and kissing whatever part of his body he could reach. "Don't let me go."