Does he really like me?

There’s a guy who keeps staring at me every time he sees me.. he keeps staring at me with a cute smile I can’t smile back cause I feel shy everytime he stares at me.. I think he’s crushing on me but I’m not sure cause he added me on FB but he doesn’t talk at all. Should I text him or wait him to do? i Mean he keeps looking at me and he added me so what is he waiting?
Does he really like me?
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