He nodded listening carefully. He did always listen, even if it seamed like he didn't, and perhaps threw out some of what was said later. But here he was listening properly and remembering. It was important to know about new places, and if Lan Zhan was being so serious about it he had to also be serious. Some of it was more or less what was explained, and a little that he had heard from Jiang Yanli.

"Shijie mentioned that, I had run into her no long ago," it must have been difficult....

Without warning he hugs Lan Wangji, it wasn't a cling this time and it wasn't being a playful brat either. It was a lot more tender.

"I'm sorry," even if it wasn't 'him' he felt he had to say it. "I know I don't have to say it, but still."

When you hurt people deeply you have to say it and it felt like this situation was an outlier to their daily lives and understandings. Which did remind him....

"What is the last thing you remember before here?"