It's true. He supposes he did not have to, even though the very idea of dismissing this other world's Lan Wangji and Wei Wuxian - and now Nie Mingjue - feels impossible. None of them have so much family that they could not benefit from someone else to hold close. It is far from selfless, considering Lan Xichen includes himself in that.

He strokes gently over Wei Wuxian's hair, gentle and soothing, his heart feeling even more full when he hides his tears in his robes.

"How could I not, Wuxian? You are Wangji's heart, and he had made a good choice. The differences between our worlds do not change the fact that I am happy to call you both brother."

His hand stills, briefly, when Wei Wuxian mentions visiting his world, though it picks back up again.

"You are attempting to find a way to cross worlds?"