Jiang Jin and Duan Zhi were childhood sweethearts and had been engaged since childhood. Jiang Jin also fulfilled the agreement and loved Duan Zhi for ten years. All of this made Duan Zhi feel constrained. He wanted to work hard to get rid of everything he was forced to arrange, including Jiang Jin. Jiang Jin also felt tired from Duan Zhi's escape and struggle over the years, and finally left.
Purpose: You are the most important thing. If you are not happy in a relationship, you should break it off.