[All his injuries are mental and emotional at this point. But still, a friendly face and voice and genuine concern does... A lot. He feels ashamed for how grateful he is but he can't help being sort of overwhelmed, tears stinging his eyes unbidden.

He really doesn't know what else to say, when he feels choked up and lost and gross and grateful and embarrassed all at once, so, kind of like a broken record, he repeats;]

Thanks.