You want to be in good mental shape to take care of other issues that come up so spend some time with people that do appreciate you at the moment.
If things are really bad, you may need outside assistance to avoid it getting worse.
Or you could take some time apart.
If it is as you describe, then she likely has to settle things for herself, too.
Make sure no one has unrealistic expectations.
It would likely feel worse about breaking up as time goes on.
Getting advice from a chatbot is not going to give anyone a lot of hope either.
If you are serious, find an expert.
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