Why does ex girlfriend keep blocking/unblocking me on Facebook?

Anonymous
So we broke up about 7 months ago after a 2 year relationship. I came back about 3 months ago to try and make things work again. She basically strung me along and has a new boyfriend now.

Why on earth would she keep blocking and unblocking me on Facebook? I don't understand, is she expecting to get my attention and still playing mind games?
Why does ex girlfriend keep blocking/unblocking me on Facebook?
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