"Sure, no problem," she answers with a shrug, watching him as he moves in closer. "Take your time. I don't have to be back over to the hospital for another hour or so." It's important to take breaks, to step away from things, otherwise your judgement ends up suffering for it. There are reasons she doesn't spend every night in the bunker, reasons she doesn't push out on three or four day-long expeditions trying to map the borders of the island. You push too hard, you miss things.