Why does she like everyone else's pictures except mine?

There is this girl whom I work with and she added me on Instagram. She never likes my pictures but likes everyone else's at work (those girls look kinda average) and I've been told that I look better than most girls and I'm above average and could model
i always like all her pictures and support her but she can never bring herself to like mine. Whenever I upload a new story she is always the first one to view it and she views all my other stories.
at work she called me an idiot and undermined me because I made a common mistake and she tends to whisper with the other girls and stares and laughs at me

why does she like everyone else's pictures except mine?
Why does she like everyone else's pictures except mine?
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