[Hm? The other was staring at him so intently he wonders if he had said or done something to cause it.

It's Ozymandias' words that follow that makes him wonder even more about what exactly the other wanted from him. What's he supposed to do about his face and attitude if it's just how he is???]

Ah. Are you saying that I have to change my attitude on top of my face? [He can't really change either to be honest. At least changing his face would be fairly difficult.] I'm not very good at being underhanded though, so I don't think there would be any cause for concern over that.