[ His own memories will frost at the edges too, he fears, but before then he can tell Wangji what he knows. ]

He came to Cloud Recesses to study with the other summer disciples, yes. [ Xichen's hand runs gently over Wangji's back, smiling softly as he imparts pieces of a history his brother would never forget; did not, and spent sixteen years grieving. ] Wei Wuxian was one of the brightest students, he vied for your attention a great deal. You were the only one who was his match, in this or that, and he very clearly wanted to be your friend.

[ He snorts under his breath. ]

It annoyed you, at first.