Girls what do you start doing when you are about to break up with someone? what are your actions?

Girl I am with now has been showing a lot of up and downs , and says vicious things to the point I don’t know if she is stringing me along or what , The intimacy has faded and I told her let’s end the relationship but she doesn’t want to? Which leaves me wondering why? Why stay with someone that you really aren’t happy with? So girls what actions and things do you do before ending a relationship? Or stringing someone along?
Girls what do you start doing when you are about to break up with someone? what are your actions?
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