forever is home (with you) (слэш)

“Lan Zhan,” Wei Wuxian says, “I’m your husband. I know you’re not in love with me like that, and I know our marriage was a political one, but I’m still one hundred-percent yours from this moment forward.”
He wonders, briefly, if this is how all arranged betrothals are supposed to go. Are they supposed to be acting a certain way towards each other? They definitely did not get along too well when they first met, all those years ago, but perhaps reality has caught up to them where they are right now. Perhaps this is how it was always meant to be.
(Or, Wei Wuxian and Lan Wangji get married. Then, they fall in love.)