Just curious, why would u ever unblock an ex on social media?

Anonymous
most recent ex of mine, relationship of 2 years (regretfully), has unblocked me at least twice or 3 times.
it was a coincidence that i seen him unblock me. i have nothing to do with him or care. he still has some of my belongings he's never returned. which is a jerk move.
anyways, i am wondering why you guys ever do this. u unblock someone etc. i was his first gf pretty much but his family treated me like shit. i'm beautiful and have been told many times i deserved better. i'm not conceited, it's just that i am more attractive and have choices. we were not a good match since i was more of a strong personality and his is, weak.
i would not go back to him because he's not strong enough for me as a guy, i made the mistake of thinking we balance each other out.
thoughts?
Just curious, why would u ever unblock an ex on social media?
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