How to get over a guy if I misread his behaviour and thought he had a crush on me?

So, the main character of the story is one of my classmate at university. Every time we met we had eye contact (sometimes more than once a day) and during the winter holiday we didn’t met for 2,5 months. After the break on our first common lecture I noticed he stared at me (someone other student talked, he turned back and didn’t look at the person who spoke, but me. Then I encouraged myself to be brave so I added him oh Fb. BUT! He didn’t accept it approx a month now. I can’t get over the fact I misred someone so badly.

How to get over a guy if I misread his behaviour and thought he had a crush on me?
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