Nearly sitting up at that, Remus half bucked into his hand. By now he was quite stiff, blood rushing straight to the spot. He fell back into the bed and kissed Severus breathlessly. His chest rose and fell sharply, his breathing had increased rappidly.

Regardless of the fact Snape had never done this to another male, he was so sensative. With his hormones raging, it didn't matter what he did. He could feel everything heightening. And if what Severus had read about werewolves was true, he could feed off the lust, need, and pleasure that radiated purely from his body.