Poll: What Is The Best Revenge For A Cheating Boyfriend? By YourTango EmailPrint Comment? Share on Facebook He cheated, you found out, how do you get back at him? Your boyfriend is cheating and you find out. What do you do next? Poll: What Is The Best Revenge For A Cheating Boyfriend?: Break up with him. His loss. Sleep with someone else to even the score. Beat him up. Or get your brothers to. Nothing, you've made the mistake of cheating, too. Don't take revenge, instead talk it out.