She keeps liking my posts, is she just trying to be nice or what?

The woman who rejected me keeps liking my posts and viewing my stories. I tried to disappear and moved on after she rejected me, went no contact and It's been more than 5 months but she keeps doing all that. While I never looked at her stories nor liked her posts. I didn't unfollow or block her due to working environment. It would leaves me unprofessional if I block her. She is my coworker although we didn't meet everyday. So I try to be cordial as I could. So why she keeping tabs on me?

Thank you!

She keeps liking my posts, is she just trying to be nice or what?
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