Should I text my ex after he dumped me and hurt me badly? It has been 4 months since and I still can't stop crying cause I miss him so much?

My ex wanted to brake up with me four months ago, so he wanted no contact for one month and said we will talk after that. He hasn't contact me since then and hurt me very badly afterwards. I tried everything to fix our relationship but he didn't want to be anymore with me and gave up on me easily. He hasn't contact me since then, he didn't apologise to me, but we still follow eachother on social media. He always looks everything I post in these past 4 month, many times he rewatches stories I post without interacting with me. Since then I miss him even more like we broke up yesterday. I tought my love for him will fade with time but I keep thinking of him every second. What should I do, will he ever come back? I never got the closure I needed.
Should I text my ex after he dumped me and hurt me badly? It has been 4 months since and I still can't stop crying cause I miss him so much?
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