It’s An Ugly Truth: The 8 Most Common Reasons People Cheat
Co-dependency issues
Pretty much anybody that cheats struggles with some codependency issues. Think about it: cheating is the worst option, and if a person were comfortable and capable of being alone, they wouldn’t cheat. They would just say, “I’m not happy in this relationship” and spare their partner the pain of being cheated on. But, instead of facing the scary world of being single, they let their partner take the brunt and get cheated on.