"Thank you," he says, one of the few signs that he knows well and fluidly, without thinking about it. He appreciated the forgiveness, small and teasing from a young teenager, because it was so totally unnecessary.

The next was a bit choppier, showing the thought to try and find the words he wanted. He'd have to get more practice if he wanted to hold a good conversation with the girl. But for now, it was an amalgamation of gestures and concrete words, and hoping the context was clear.

"Shouldn't you be in school?"