Bf cheated on me

My ex cheated on me with his ex who is married and has two different baby daddies.... I guess this it ladies I will no longer need this app he cheated on me on our 11 month anniversary he couldn't even tell me I found out from my best friend her sister is the one he cheated with. I did everything for him paid for everything but its OK lesson learned karma will get him haven't cried and I refuse to. Thank you for all your support.