Girls, I have this girl who whistles when she walks past me. She also clears her throat. But she can't make eye contact with me?

She stares at me from afar when we both of on our lunch break. But upclose she looks nervous. Is she in love with me or just some mad crush or game?

Girls, I have this girl who whistles when she walks past me. She also clears her throat. But she can't make eye contact with me?
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