[That observation could mean anything about Huaisang's general manner of speech, but after his chats with the locals, he's assuming it's the specific form of address-- no one has yet asked, but also, no one has understood. Regardless: it's not hastening over to hold his hands for this great idea, so come on, get with it...]

Really? [a little tut, impatient because he didn't think of that; he clasps his hands together and inclines his head in the barest hint of a bow, given how difficult this angle is.] Sect Leader Nie appreciates Stranger-xiansheng's generous help in this matter.

[Rote, formal, and then he wiggles his hands again and his tone hikes back up into the Antics cadence,] Now that we're familiar, if I fall, you've got to catch me! I'll owe you one, so...

[Let's gooo, give him hands to yank on. There's just no way of guessing which one of them is about to sail headfirst in the wrong direction but this, alas.]