Why hasn’t he sued me yet for defamation of character?

Not that l'm looking for trouble
Guy I briefly talked to I felt disrespected me and only wanted to use me. I feel like he played me and I've been taking measures to expose him and blast him.. he also didn't tell me he was bi.. another layer of hurt and confusion..
He did admit that I come off a little unstable but I felt like he was gaslighting me and just ultimately made me feel bad but I didn't react until a year after we stopped talking.. l've done a lot to try and call him out on social media and even said things in post he was tagged in.
Despite my efforts he never said or did anything..
I've been crashing out for a couple months.. not excessively but enough.
I guess what I'm saying isn't technically a lie but I don't understand... I've accepted my fate
He cares
He doesn’t care
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Why hasn’t he sued me yet for defamation of character?
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