Wei Wuxian snuggles up against him and blows the flame out that tries to consume his marshmallow. He waits a second for it to cool before carefully pulling it off the stick and holding it out towards Lan Wangji to feed it to him. They are okay but he isn't completely sold on the little treat. He just thinks it is fun to cook them.

"She seems to know everything else about us so knowing about the wedding just seems to make sense."

She knows a little too much to the point it can be creepy. But if it makes their work to get ready for the wedding a little easier then who is he to complain.