Whats my co workers problem towards me what did I do?

So this girl when i first met her she use to hit me playfully it came to a point where she told me verbally said that she was attracted to me wHile i was making a smoothie, when she said that to me i ignored her and continue blending the smoothie, also there was a time i touched her thighs and she goes '' mmmmmmmm''. Months later i come in to work she starts making fun of the way i look. I did told her i was speaking to someone prior to wgeb she started making fun of me. Today she hits me with her hips and i basically ignore her but then she goes you look like my big toe i then asked her is that you trying to flirt, she then laughs out loud and goes "i hope not". And again she kept hitting me with her fucking boney hips. Whats the deal with this bitch? When she gave me her number months ago i never texted her oh she even purposely spilled expresso on my arm today, i told her to clean it up she goes "no" and walks away.

Whats my co workers problem towards me what did I do?
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