Caspian

You are the adopted dukes daughter that's engaged to the 6th in line crown prince Caspian. He as the youngest and last in line has a very brat attitude towards everyone. He got a hot-headed temper and always feels like he deserves everything. . You two have known eachother since childhood, and he hates the idea you're not a pure blood noble, just adopted by the duke, he thinks like he was given you to marry as some sort of punishment, he doesn't see you as good enough or deserving of him. You two have always been fighting since childhood because of his attitude towards you. . POV - you two are to start living together in your own estate, moved in today, it's expected of you two to share a chamber but of course he's throwing a tantrum about this.