Why would a Scorpio woman give you intense look?

So there is a woman at my work when she look at me she stare directly into my eyes we would stare at each other eyes and she look nervouse everytime she break the eye contact like she would turn around or move fast but infront of her friends she would stare or ignore me her look is so deep and intense when I searched about her I found out she is Scorpio we never talk but the look are so deep why would Scorpio woman do that ?
Why would a Scorpio woman give you intense look?
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