Advice about guys...?

I'm still in highschool. A senior. There are a couple of guys that are always looking at me when they think I'm not looking. I've just noticed this within the last couple of weeks. It doesn't bother me as much as I would think it should. I was just wondering if I should say something to one or both of them.Advice about guys...?
give them friendly smile..something friendly and approachable so they kno its safe..then which ever approaches u first go for it if u dont like that one wait for the one u like

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