My guy friend cried over me and is now unresponsive to me.. what did I do?

Anonymous
This guy and I have been friends for over a year and I began to like him, and he began to too. He told me he liked me and I was shocked, but since he rejected me the month earlier I was very suspicious. So I began to ignore him and he seemed confused, so I tired making him jealous. He didn't show any signs of being jealous, but he just kept on watching. Anyways on Wednesday of last week I saw him with his two friends (whom I'm also friends with) and decided to try it again, so I talked and waved to every one of them except him, and he seemed really confused, but he turned the next street without saying goodbye to his friends while they were calling his name.. I knew it was because of me, so the next day I wanted to see where we were so when I saw him I said "Hey [his name]," but he ignored me. I expected him to say hi to me since we have next hour, but again he ignored me. So on Monday I wanted to see if he'd try again, but he still ignored me. Then on Tuesday when he came in I tried looking at him with sad eyes and he just stared and ignored me, even though I was literally diagonal from him.

I know he's gone thorough jealousy before, before he liked me his old crush did the same thing (i. e. ignoring him, making him jealous, etc.)

Point is, why is ignoring me? I'm just confused..
My guy friend cried over me and is now unresponsive to me.. what did I do?
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