[He notices.

He notices it all, he can't help it. The squirming, the breathing, the shivering, and...

(it's probably because of the pain, from the burns. that's all it is, it couldn't be anything else, it's just his own wishful thinking that's making him see it as anything else)

He takes his hand away.]

...am I hurting you?

[He hopes he's not blushing. (He is.)]