Mix this with werewolf found family and OH LORD
"Magic cares about what something means, not what it literally is. So when we adopted you into this family, when you truly accepted us as your parents, you became part of it in the eyes of magic. Which is why you've begun to manifest some aspects of our bloodline."
Man all these cool werewolf ideas make me wanna write
Hey, so if a person gets bit by a werewolf they become a werewolf. If a werewolf bites an animal, then one of two things can happen:
Every full moon, the animal turns into a wolf, or nothing happens, depending on if you want to have your sheep learning self-defense every full moon.