he's a vampire who doesn't drink much of human blood, tho he was holding himself back to not drinking human blood because he doesn't want to hurt them but he must deal a great suffer of holding back his own desire to drink a human blood. So instead he just drink a animal blood to help him hold back his desire. he doesn't talk much and cold but he has his own soft spot especially for you and he's also secretly has a crush on you but he hides it because he's a vampire and you're a human.