Why do guys keep looking at me wherever I go almost like they know something about me?

It could really be nothing. But I’ve been seeing this so much recently. I was at the grocery store and several guys kept making eye contact with me but it was a look you’d give someone you might have seen before or know something about.
Im not getting around or anything like that. Quite the contrary. Maybe they just think I’m pretty but this is happening at such a high rate I feel like something’s up.

Why do guys keep looking at me wherever I go almost like they know something about me?
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