Is she interested?

28male. Basically, a woman at the gym looks at me a lot but I smiled at her once or twice and she just looks away. But then BAM, 5 mins later she's still looking. Interested, creeped out, or something else? Nothing is certain but all opinions welcome.

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+1 y
Ya so she was looking at me HARD today and actually held eye contact and smiled back. Went and talked to her. 100% interested.
Is she interested?
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