I tried initiating conversation with the guy who has a crush on me but he doesn't look interested from the way he answered?

He tends to be around my vicinity, looked nervous, unable to make eye contact, dropped things in front of me... He would never talk to me first whenever he's near me, so I'm always the one who always started the convo first. But from his response, he didn't look interested... Like after i asked him questions, he answered but did not continue with the...
I tried initiating conversation with the guy who has a crush on me but he doesn't look interested from the way he answered?
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