“If you're somewhere with nobody around, like this island, and you get sick, or hurt despite your reinforcements, or you run out of energy in a place where you can't walk away, then you can ask for help. And if you want them to then, people can find where you are.”
“That's why there are relays, to make sure that those places are very rare.”
“Well, if you're going into a cave or something, you can also bring local repeaters. Or, you know, make sure other people are around. I'm not saying bringing a radio can help all the time, just often.”
“You said you weren't always places where there were relays, not that you were never places where there were relays.”
“How do you do that? I can't think of any places like that except for ones that also don't have food and stuff.”
“Right now, you don't think I'm making sense and I don't think you're making sense. If you tell me some things, maybe that'll help. I'll tell you whatever you want to know about me.”
“And then I suppose I’m likely even more confused.”
(She says he’s been helpful — well, that and a few other things suggest that she has finally gotten everything she wants from him, and she isn’t interested in the only other thing he thought she should have despite that, so he isn’t too worried that hinting at a desire to leave will worsen the outcome for her, now.)