If my crush stares at me when I'm not looking? Does it mean something?

He keeps me guessing, I like this guy some time ago, but I'm too shy to talk to him. My friends told me he stares at me when I'm not looking, stares at me from away or look at me in the corner of his eye. He's happy when I'm around him or he talk more louder. Do you think I like him? Or he's just being nice?
If my crush stares at me when I'm not looking? Does it mean something?
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