20 [M4F] Girlfriend of 3 years cheated. Help me get revenge.

Thought i found the one for me, everything was pretty perfect. I found out she’s been cheating on me for a year today. I’m going to break up with her but I want to show that I can do it too. I’m white, 6”0, muscular dad bod, decent size. I don’t care what you look like or how old you are