"We were raised together. For a time, we were inseparable." Even Lan Zhan's love for Magnus cannot get Wei Wuxian to tell the whole of the story, especially not in this moment. "I caused him to be hurt very badly."

It may not have been his fault, it certainly wasn't his intention, but he still bears the wounds of it -- and so does Jiang Cheng. "Thank you for stopping them, Magnus."