So, speaking from experience. She broke up with me out of no where, via message , and blocked me with no meanings to contact her again cause “I’ve said and done things she didn’t like and wouldn’t tolerate” without any context, explanations nor reasons.

What should I do if the insecurity and the pain that “I messed up and hurt my S/O that I’ve known for 10+ years and I have no idea what I’ve done?” should I just tank it and move on? It’s been 3 months, and my mind keeps messing with me cause I took that route, and I can tell you it’s not good for me.

I’m with you on the “try not to make drama and move on” I don’t think it’s healthy to keep going around in circles. but, to an extend, its part of the grief to challenge and debate the reasoning of a breakup. Knowing what mistakes you’ve made, and how you can be better is (for me) an essential part of a breakup. A lot of people here have said it, and it true, if one party is fixed on the decision of breaking up, there’s not that much you can do about it. But ending in good terms, understanding and helping each other on coping is, I think, an essential part