Why is this woman doing this? Is she threatened?

My old guy friend (we don’t communicate anymore who I was intimate with) girlfriend’s unblocked me & then 4 days later she re blocked me on Facebook. My facebook is public to everybody for reference. She knows me & him have history together but me & him do not speak anymore. I’ve messaged her before due to a situation that she kept involving my name in for no reason she was super bitchy towards me about it. I was no where near rude to her.

He told my guy friend who is also his guy friend that he doesn’t talk to me at all & he was getting away as far as possible from that because a lot has happened. She never said a single word to me or messaged me.

Fast forward 3 weeks later after she rebooked me for the second time, she unblocked me once again and then two days later she re blocked me again. Never said a word but I noticed somebody who wasn’t my friend kept looking at my Facebook stories. Why?
Why is this woman doing this? Is she threatened?
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