"Mm, because I will make it so." He gives Wei Ying a soft look, and fights the urge to take his hand. They'd made agreements, after all. And despite them being outnumbered on this world, Xichen considered both of them family, of course. And in Lan Wangji's heart, he had enough room for anyone so long as he was Wei Ying.

So he doesn't think these things, but rather that they will have a lovely double wedding, full of auspiciousness.