Should I confront him?

I've been dealing with this guy for a year. We were supposed to be in a relationship but he lied about his intentions towards me. I last saw him about 3 weeks ago when we had sex. After texting him afterwards I got no response from him.

I now see him online all over town with a young woman taking pictures etc. They appear to be on dates.

Should I text him again and confront his behavior and lies to me?

Or, keep my cool and move on? I imagine texting again could make me look desperate?

Mind you I am upset because he heavily pursued, love bombed and gaslighted me... and I gave in only to be discarded later. I guess I was just a game to him.
Should I confront him?
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