Obviously, the ex - husband is a central character. His ex - wife is also a very important character as she is the one related to his regret. There may be friends or family members who either support or oppose his attempts at dealing with the regret.
In 'ex - husband's regret novel', a prevalent theme is the passage of time. The ex - husband looks back on the relationship with a new perspective after time has passed. Nostalgia is also a theme. He feels nostalgic for the good times in the relationship. And there can be a theme of moving on, where he has to accept the reality of the situation and move forward in his life, even with the regret.
Li Xiaoran's ex-husband was Sun Donghai. Sun Donghai had always supported Li Xiaoran in his acting career, but as time went by, his desire to control and bad temper gradually revealed itself. In a parking lot incident, Sun Donghai even threatened Li Xiaoran with an AIDS needle, making her go through a difficult period of fear. This incident made Li Xiaoran realize that her relationship with Sun Donghai was irreparable. She decided to end this painful relationship.
I can't answer the question about the CEO's ex-husband being too clingy because I don't have any relevant knowledge. It is recommended to search the relevant novel websites or reading guides to understand the relevant plot and story type in order to find the novel you like.
There's also 'Before We Were Strangers'. In it, the husband - like character may have past actions that he regrets as the story unfolds. It shows how past mistakes can haunt relationships and how love can still find a way in the midst of regret. It has elements of mystery and self - discovery that make it an engaging read.
I recommend the book "After the Divorce, the CEO's Wife Regrets" to you. It tells the story of the female protagonist who realized that she had misunderstood her ex-husband after the divorce, and her ex-husband had sacrificed a lot for her. As the female protagonist regretted it, her ex-husband also took the initiative to pursue her. This novel belongs to the category of urban life, so it's over. I hope you like this fairy's recommendation. Muah ~😗
The titles of novels about ex-wives and ex-husbands could be " After Abandoning "," Reborn Ex-Wife "," Return of Ex-Husband "," Reborn Parents ", and so on.