Should I see what he has to say or just continue ignoring him?

So we only dated for 3 months, but after the 2nd month of dating, things started to go downhill before I eventually just blocked him. I didn’t even say to him that I wanted to break up with him. I was just pissed off with his actions, and he did something that really pissed me off. He was lying and doing stuff behind my back and getting mad at me for simple things that I should have left him for. It was never anything physical and he always said that he had family issues and never wanted to talk to me about it. He would just ignore my calls or texts until he felt like talking to me again. His excuse was that he was busy when I asked why he didn’t answer me. I’m just too nice, and I give people chance after chance to change. It’s been almost 4 months since I’ve blocked him, but he recently keeps liking me on every dating app I’m on. I was planning to just ignore him, but I feel like I should give my last say and tell him how I feel.
Should I see what he has to say or just continue ignoring him?
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