When do guys realise and regret leaving?

notnamingmyself
As i mentioned earlier about my ex leaving me he has left me 2-3 times before because of some “issues”. But since it was really different this time he never abused me before it only started when he came back this time. I don’t want him back i just want him to realise what he did to me I want him to beg me the same way i begged him to stay and not leave me. I want that time to come where he’ll come and I’ll be so happy that I’ll show him what he lost. But there’s this part of me that thinks that since he has already came back like thrice will he regret what he did and try again this time?
When do guys realise and regret leaving?
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