It takes so little to push him over that emotional ledge, having felt so vulnerable the last few days, his sister gone right as her son arrived was enough, add to that the incident with Lan Xichen's traumatic injuries, and a little too much wine, and well, here he was, rubbing his teary face into Lan Zhan's shoulder.

Just having Lan Zhan here with him was enough, he wasn't sure he dared ask for more, but being able to put proper titles, of course, he wanted it too.

"You can," he says, looking up with a slight pout, "you can call me that now, or... or whenever you want."