There's a quick wave of nausea that fills Togusa when he spots him, when he can see something wrong. The instinctual human reaction to an injury that he has to fight back down before it shows on his face. This is what they've done to James. What possible reason could it be for?

Togusa tries to look casual about sitting on James' left side, making the lack of his arm less obvious if someone is there. "James." He knows better than to ask how he's doing. The tension crawling out of the kid's form ready to explode is pretty much what he had expected.