Guys, I had a falling out with and now he doesn't even say hi to me?

Let's say there's this guy, we had a falling out where he rejected me more than one time. He doesn't care about me, I understand, I cannot force other's feelings but he is acting as if he doesn't know me. I cannot be friends with him because I like him and now even worse :(

Guys, I had a falling out with and now he doesn't even say hi to me?
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