"Whatever it is, it's fucking dangerous." he admitted. Sure, he had his control, he was completely capable of stopping himself, but that didn't mean he necessarily wanted to. "This is probably obvious, but...don't ever let me feed from you when I'm hungry. Just doesn't seem like a brillian idea." A second of serious before a sly smirk appeared. "We can play all you want, though." Because that's that it was, really. An added bonus, an extra pleasure he didn't need but oh, he definitely wanted.
"There's more where that came from, you know." he said, biting into his own wrist, holding it out if he wanted it. "Just, you know, no dying for the next twenty-four hours." As much a joke as he was serious.