It was more the upire in him. Making him want to kill, to become violent when he got more then emotional. Thankfully he tried to reign in it, had before a few times, but it was a difficult thing.
Still. The sight of the others reaction had something warm trickling inside his own feelings. "You give me names and I could." Even if he didn't mind sinking his teeth in, he didn't exactly want to go door to door to find his prey.