Meng Yao is sleep-deprived enough from his new baby that when the cry wakes him up he's halfway through the first verse of Northeastern Cradle Song before he goes from "why can't I find his bottle?" to "because I am standing on a street corner and not in my house."
"Well, at least I should put him back the way he was-- you are a man."
"The hair that you currently see on my head is yellow. --This is an ability people from my world have. I can say that my hair is any color I want, blue or pink or purple or red."
"This conversation is not very important and you don't remember anything from it."
He can rewrite the personalities of the most powerful people in the world and no one can catch him.
"Unfortunately, we've never made interworld contact before, so we don't know a lot about how to do it properly." For example, what to do about being able to mind-control people.
He is... not going to talk until he can get Xichen alone and find out what Xichen thinks about being able to rewrite the president's personality, how about that.