That sucks, but if she isn't being nice to you, is she worth the efforts? I know how it feels, but we can never force anybody to stay in our lives. I would suggest you to never depend on anyone for your happiness. Enjoy your own company, be self sufficient! Clearly she does not deserve your friendship! Although it may hurt initially, it's better to let her go since she most likely does not realise your worth
I think you should give her some space for the time being and later tell her how it made you feel.
Don’t be afraid of losing her. This will make you do things that are wrong for your self respect.
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