Why does an ex (dumper) blocks you on Facebook?

Anonymous
My ex keeps blocking me on Facebook when she dumped ME even after 6 months after the BU. We are NOT friends on Facebook so I do not show up on her feed. She only sees me by going to my profile or through a mutual friends profile. Is she sick of seeing me on it? Does that means she still cares? Does she go through my profile? Is she trying to erase me from her life? What are some reasons and explanations on to why an ex would keep blocking someone 6 months after the BU?
Why does an ex (dumper) blocks you on Facebook?
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