[That kind of anger is something he encourages, to a point. It can lead someone to bettering themselves, and he understands it perfectly well himself. So he says nothing when he notices her dropping that part of the conversation, moving along with her. Since this is adjacent to it, he also feels like he should put some ease to the frustration.]

You've been stuck here for days, with what looks like a shitty supply of food and drinkable water. You're weakened. Your body can't keep up, even if your mind wants to.

All of us "rescuers" might be sick, but at least we're well fed and have the energy to fight.