Lan Xichen looks down, briefly, hiding both the curve of a smile and the faint edge of exasperation. Of course he hadn't. He supposes he should consider himself lucky that Wuxian had accepted at all, and he hadn't had to start hinting increasingly obviously at him again.

He tips his head a little in acknowledgement, a tiny nod. Lan Xichen spares a moment for regret, at his own contributions to that, and then sets it aside. He cannot change his actions in the past, and wallowing in guilt will do nothing to help now.

He is already motivated to help make things different.

"Then I will learn how. Until he will never have to wonder who will stand behind him, just as you will not."