Without warning, as you simply laid there in the afterglow of the amazing sex, you felt her fangs pierce your flesh. It only hurts for a moment, then for whatever reason, somewhat numbs, and there's no pain at all.
You look at your shoulder, and see it already beginning to heal. You realize that the legendary infectious bite of the werewolf has already taken hold if you're healing this quickly, and you brace yourself for the inevitable transformation.