At other times, he would chuckle as he spoke, making his words sing with laughter. In each of those modes his face would light up accordingly, moving, easily and deftly, from one state to another. There was no ambiguity in his presentation. Everything was written on his face. I could not see my own face, of course, but my guess is that it was a close mirror of his. It is interesting, in this context, to think back on the experiment with the nodding and the headphones.
