Ex girlfriend cheated on her new boyfriend of 9 days with me should I tell him?

Anonymous
So cheated him with me and may marry me to help with court issues am going through. My girlfriend only left me 9 days ago. I got some people telling me it’s the right thing to do to tell him and other people telling me to mind my business. I had a chance to tell him before but didn’t still I felt like it would be for the wrong reason but she’s been on n off treating me like shit so I somewhat wanna telll him even more now. She’s coming over tonight
Ex girlfriend cheated on her new boyfriend of 9 days with me should I tell him?
7 Opinion