Yes, that's normally the first thing that others take note of. The differences between himself and his not-twin. Where Lan Wangji does not smile Xie Yun does. Just as his not-twin, as far as he knows, does not play the xiao. He, himself, carries a bamboo xiao with him. The young emperor also talks far more than his not-twin does too.

"That isn't the first time I've heard that."

He still remembers when his own wife had been around. When she had gone off on Lan Wangji thinking that the man was him. After all, he was good at changing his appearances.

"Lan Wangji is here. If you can't find him then I'm sure you can find Master Wei, one is probably not far from the other." Those eyes watch Lan Xichen for a moment. "The device that you were given when you first arrived can contact him, or everyone in the vicinity, directly. Either through voice audio or video."