Emperor is on a great streak of "do everything wrong". Never respects her, sounds like he's issuing commands most of the time he talks to her. Doesn't step in when multiple ballrooms of people are belittling her, loud enough for her to hear right beside him. He's got some secret plan that he thinks will make everything right, but he doesn't care about her suffering in the moment. She's right to try and leave, even if her prospects are less comfortable at least she could be free.