"Oh - well, yes! It's all right, Stephen, don't be shy! You can ask me anything."

He reached up to run a finger over his own lip, as if reminding himself how far out it ran to the edge of his face.

"I couldn't...see very well when I was young, you see. They fixed that! And now I can even stare into the sun for the mandatory ten minutes a day. As for my mouth...well, smiles are important, right?"

He grinned, wide and bright, all jagged teeth on display.

"They've done other things, too, but I guess those are the easiest to see."