"And yet the trouble you could cause if the mood struck is correspondingly more significant, if you have not only coins but also unrestricted ability to use them," she says. "At that point I can no longer decide you're a net liability and straightforwardly send Razi to kill you - hypothetically, Nathan. At that point I can't stash you in the hiding place - which might be a terrible idea anyway, if the way you're describing the situation is accurate."