[ If not for the influence of the tea, there would be surprise that even he couldn't hide. That is - not a question he gets asked very often. Wangji is concerned with his happiness, he knows this, but his brother has no need to ask him a question like that, and anyone else -

Anyone else who might have once asked him that is dead.

A thought that doesn't fill him with grief like it should, however, merely an abstract acknowledgement. At the same time - it's difficult to answer that. Not because there aren't things that make him happy, only because it's as hard to imagine feeling anything more than calm neutrality.

Well. He can think objectively, then, things he remembers had inspired the feeling of happiness. ]

Seeing a junior disciple after their first successful night hunt. The sound of a stream echoing through the quiet of the woods. The soft ears of the rabbits in Cloud Recesses. When Nie Mingjue allowed his voice to be soft, and when Meng Yao's smile reached his eyes. Hearing Wangji play. Your return. Seeing Wangji's hope again.

[ There is a pause, then a casual gesture as if he's attempting to summarize a whole list of things into only one word. ]

Wangji.