He lost everything in Merano, at least the one I know. You/her, his title. And then the year after, then showing up at the end of the world. It does humble a person, regardless of how proud they are
Pressure or not, it does not give him the right to treat you the way he does. Maybe he does love you, it would not surprise me despite appearances. That still does not mean he should act the petulant child.