"Yes," Severus said shortly. He could and had gone without sex for months, even years, on end. He'd learned to isolate and shut away those needs, knowing it was too dangerous to indulge in them with the enemies he had on both sides of the war. Masturbation... and not even all that much of that, tension and stress weren't all that conducive to that kind of relaxation... had been his only outlet. But he no longer had to do that and he no longer wanted to. There was a certain freedom in having been revealed and while he didn't always like it, there were some good aspects.
He rolled them so that he was on top of Draco and rolled his hips against his lover's, groaning at the rush of pleasure that flowed through him.