How to explain? He wasn't even sure what had happened himself. It was the full moon, he was in a fairly well-enclosed region, and he decided he would allow the wolf to run free for one night. But then there had been the goats. The green goats dancing the Polka. And a strange man who looked vaguely like someone he knew but not quite. Unfortunately, that hadn't been enough to stop the attack or the bite. Now that he was human again he couldn't help but be confused. How was he going to explain Aberforth Dumbledore to the Werewolf Registry?