There he goes again, worrying. People shouldn't worry about him, not Childermass, and even if he hadn't been unknowingly, unnaturally disinclined towards the idea of doctors and anyone looking too closely at him, the situation might still be the same. A burn on his hand isn't the worst he's had, meaning it isn't worth the trouble for now.

"Hardly that bad," he says, shifting back a step away from Strange, almost as if he's already suspecting the other man might be plotting something. It pays to be suspicious, it really does. "I didn't give what did catch me much time to spread, so there was barely any fire at all."