Why do this girl that got into a argument with me at work, has been talking bad about me?

(mind you I never did anything to this girl. But energy don't lie. I can tell she always had an issue with me for some reason) and now as time passed after our argument she is sending me heart eyes under my pictures. Like my pics

Like I thought u didn't like me I'm confused
Why do this girl that got into a argument with me at work, has been talking bad about me?
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