The sudden expulsion of air and the dry, cracked, almost wheezing sound that accompanies it might be a cough, but might just as easily be a laugh; it's difficult to tell for sure when his expression doesn't appear to change significantly. But there's a dark kind of humor in the boy's words, a twisted appreciation for small favors. The punchline for some tasteless joke whispered in back alleys out of earshot of the more respectable.

The Comedian probably would have appreciated it.

"No reason to think otherwise. Still breathing; as good proof as any." But there's something wrong with this picture, and he can't let it go.

"Captors are getting ridiculous; shouldn't be taking kids." It's a muttered sentiment, clearly not intended to be overheard, but still reasonably audible.