Peter gave Kei a rather relaxed smile, for someone who'd just been (and perhaps still was) in so much danger. He felt more settled in this environment, and he was glad Kei stayed. "Can you have blood from bags, or does it have to be from a person? Do you know?"

Yeah, he might never be seen as anything but the annoying guy that badgered people into medical treatment. But if he got Kei settled into the City with everything he needed, that would make Peter happy.