Shaking his head, trying to be polite. "No, nothing is wrong. It just that last where I have seen you, you let your hair down and you're wearing a different robe."

He's pretty sure he doesn't remember his face looks like that. He looks slightly different. Maybe a little more slender and younger to him? He looks confused, but he'll take his word that it's him.

In a soft tone, concerned at his change of demeanor, "Forgive for unable to recognize you. Back home, you changed. You were...much angrier because you make a lot of sects angry."