I told a guy I didn't like him but I do, but now he won't talk to me ?

OK so this guy told me he liked me , I told him I didn't feel the same. But I do like him a lot but he's younger by a year! I try to talk to him but its like I'm bothering him. He never texts me anymore what does that mean? Should I text him first or not? Should I tell him I like him maybe that will change his mind. I don't know what to do , but I can't get him out of my head and I'm scared I'm going to lose him.
I told a guy I didn't like him but I do, but now he won't talk to me ?
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