[Some of the tension unwinds from Nathan when Zay responds only with a practical consideration. He was afraid that even after the agreement they'd made between themselves, Zay would be spooked by this talk of running across the wasteland to lands unknown.]

I will. And I'll go over best routes and how to deal with potential hazards along the way and help you pack an emergency bag. If the worst should happen, I'll make sure you're ready.