Xichen wishes he could ease his brother's heart more. He knows - even in his own chaos and guilt and hurt, he knows that Wangji will find ease of mind. He will find again his own reason to believe in the world, in how the world can be.

But, as Wangji said...

Not here.

And, as so often in these sixteen years and more, Xichen can only do so much. Wangji's hope is held in a different pair of hands. That is probably right, too. Hands that are better than Xichen's.

"Wangji, how long have you been here?"