Mu crush is kinda confusing?

hello, my crush is a really shy guy. he never talk or smile to me, but he acts normal in front of my friend, does he likes me or not? i've tried start conversation to him once but he didn't even answer me, and it felt really awkward. i've tried smile to him but he never reply. does it a sign that he likes me?
Mu crush is kinda confusing?
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