[ The last of the sharpness of concern drains from him when Wei Wuxian says there was no harm done. No physical harm, at least, but he doubts Wei Wuxian would be entirely truthful if another type of harm occurred even if he asked.

He expects to feel relief from both the worry and the anger, now that the cause for concern is past. And it seems like he will, for a moment, when Wei Wuxian asks about him and begins to apologize. It's only when he realizes that Wei Wuxian is apologizing for Liebing, and not for putting himself in a dangerous situation, that the anger surges back up. ]

That is what you are sorry about? How can you be so careless with yourself and so concerned over another's spiritual tool?