[Obediently Robert sits down next to Don, bringing his shoulders in reflexively as he drops his gaze contemplatively to the river's surface.

This isn't something that is easy to describe or put into words. Language fails him in these circumstances.]

... There was... a constant perception of... of being judged, negatively, by others. Whether they were or not. I c-could not... understand what people might be trying to convey, much of the time, and... and that made me even more ill-at-ease... Additionally, my v-verbal tics exacerbated things, and...

... [He falters, awkwardly.] I am... sorry. It is not... a concept that translates effectively.