Revenge on cheating ex?

How’s the best way to make your ex miss you/realize they messed up? He’s older (late 20s) and cheated on me and I’m not getting back with him but I just want him to realize he fu**** up.! How do I make him miss me? Do I show that I’m having an awesome time by myself with my friends without him or do I completely disappear and that’ll make him miss me more? Orr something else? thanks:)
Revenge on cheating ex?
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