Am I overthinking and what should I do?

Anonymous

So me and this girl she has been my best friend and things got serious for a bit. But then out of nowhere one of her ex’s called bc they saw a picture of us together and she ignored it when I was around and I didn’t mention noticing it, and she just became distant and within a week of that call she tells me nothing with us meant anything and it was just us being best friends. Which is really weird bc she wanted to spend everyday together introducing me to everyone she knew stay at her place for the weekends and occasionally throughout the week always wanting to cuddle kiss etc., to not barely talking for the week after that call and then to us to talking at all now.

which I don’t want to talk to her bc the day she said I was nobody she ghosted me on plans she made the dropped that message saying I was nobody but she wanted me to treat her like a priority and like how I had been since we got serious, when I reached out to her to see if she was ok

Did she just get back with her ex that she only knew for less than a month that was cheating on her or is that in my head?

then after we stopped talking she started posting sad quotes like “you are enough…. whats meant for you comes at the right time” while making posts with other people saying how important they are to her like it’s to get me jealous bc it’s what she always said I was to her.

what should I do I've known her for a few years she was my actual best friend for so long and the just complete discard like this and out of the blue no warnings bc she very loving the last day till she wasn’t. just the last week i felt very disrespected and hurt but part of me doesn’t want to block her or anything bc of how important she was to me.

Am I overthinking and what should I do?
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