"I can make more or less arbitrary numbers of people immortal but I want to be thoughtful about how I do it, both because it can be conspicuous and dangerous, because it would give anyone who had it a major tactical advantage and I don't necessarily know how you're likely to use that, and because me or someone else on the short list of people with torching distribution has to do it. You don't have a Bell, or I'd just hand this off to her. Bare minimum I want to leave a Janegem in your world."