My now ex gf did this to me recently and said "you did absolutely nothing wrong and treated me perfectly" so you're probably just avoidant and you should stay away from relationships until you figure your stuff out. And if you dont plan to do that then don't get in another relationship ever again and just stick to hooking up with people.

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I’m an avoidant for life and won’t plan on dating or hooking up with people. It is what it is.

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