Why she keeps me in her life at all?

My ex broke up with me recently, there was no tensions, she just was not ready. She still cares for me but said it would be better not to talk and see each other as it would be too problematic and emotional for us, so no contact. Yet, she keeps me as a friend on FB and constantly follows my FB stories, like every single one, straightaway as if she is somehow interested in watching my life regularly. This kind of behaviour is strange for me because it is not something I expect from someone who would rather avoid me. What do you think?
Why she keeps me in her life at all?
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