He aches with the beauty of this moment, and it startles him, and it frightens him a little too. He shouldn't be thinking about destiny and fate, not now, but if he and Watson were to part ways tomorrow...

He shakes himself away from such thoughts and returns to the moment. Nowhere else, he reminds himself, nowhere but here. He buries himself in the way Watson's body responds so eagerly to his own, and he gives a soft moan as he throws all his faculties at recording the physicality of the moment.

After a brief debate, he takes Watson's free hand and sets it on his cock, but he doesn't draw his hand away. They will bring each other to the edge and pull each other over it; the possession goes both ways.