A girl stares at me but when I try to talk to her she avoids me after I complimented her why?

I complimented her once while talking to her once and now she does that while still staring at me , like she won't let me talk to her but then she's staring at me, she knows I like her she has caught me staring at her multiple times I have caught her too it's confusing for me

A girl stares at me but when I try to talk to her she avoids me after I complimented her why?
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