Thank you Ready and Madluv for your insights. Ready like you said, this is a pattern my ex husband does which is contacting his exes and flirting while being in a relationship. Out of curiousity I asked AI what could be the reason behind why people do this. And as ridiculous as it sounds that I asked AI, the answer did make sense to me. It is also asking for validation when a person is very insecure. Making sure that he is both validated by his present and his past without considering the feelings of his partner. My ex falls into this category. Another is what Madluv said, it's out of guilt for what he did. I remember when I confronted him about the first OW, he told me that he hurt her and they never really broke up properly blah blah. That's why he needed to see her (this was after 15 years of having not seen each other, exccept that he saw her secretly). Who knows what the truth is. Another reason is manipulation. He still wants to anchor and make sure he still has a buffer. This one resonates with me. When we were still married he used the ex gf as his buffer. Whenever we had a fight, he would contact her and pour all his frustrations on her asking for validation which of course she gave, hoping that he would come back to her. I realized he's using the same game with me. Now I am the buffer, his familiar space. I've decided, no matter how difficult this is (after so many years), I will not allow myself to be used as his safety net. He lost that privilege when he left me same as the privilege being part of my family. When you think I should be already over this since it's been almost 3 years since the divorce and 4 years since the final separation and yet here I am still part of it. But like you all said, perhaps it's part of growth and of moving forward. One at a time. I have no hate in my heart, but the hurt just doesn't go away. maybe not as much as before but it still stings. Hurt of being betrayed and being played by the person you trusted so much.
My exh has never changed, still the same person I married. This part of him is not just the MLC, this is his character. Like the saying goes, the leopard doesn't change its spots. He told me once myself, a person doesn't really change when I told him I will change myself so the marriage will work. He probably described himself at the time. I realized no matter what I do, bend forward and backward, he will never change. This is him. The person I believed I saw in my marriage was me trying to see the good in him and me being in denial. He had other good qualities, but he will always betray his partner. He is not trustworthy, MLC or not. Hard realization but I hope this is one step forward.