"This," Alaric explained to Sarah in what he thought was a kindly voice, "isn't love you're feeling. Only dopamine. Because Felix isn't like anyone else you know. Being a creature of the night, he's new and exciting and activates a neurotransmitter in your brain that releases feelings of euphoria when you're around him...especially because you know you can never actually be together, and he seems complicated, and perhaps even sensitive and vulnerable at times. But I can assure you: he's anything but." "How dare you?" Sarah demanded hotly. "It isn't dopa...whatever! It's love! Love!"