This plot was very common in novels. It was often called the plot of " the male protagonist breaking off the marriage and the female protagonist forgiving." The reason why the male protagonist broke off the engagement was that the male protagonist found out that his girlfriend was having an affair with another man. The male protagonist felt that he had been betrayed and decided to break up with the female protagonist. However, the female protagonist did not immediately agree to the two of them still being together for a period of time. The reason why the female protagonist forgave the male protagonist was that the female protagonist thought that the male protagonist was just impulsive and the male protagonist also realized that his actions were wrong. With the help of the female protagonist, the male protagonist apologized again and got the female protagonist back. This kind of plot would usually create a romantic and warm atmosphere in the novel, and at the same time, it would also arouse the reader's emotional resonance.