What do I do to get things back to normal with him?

So ever since my friend told my crush that I liked him, things have been awkward. He never says hi to me in the hallways like he used to. I even texted him and told him to forget about all that and hope things between us stay alright. Next thing, he starts acting all mean, like saying things behind my back. I don't understand what to do. I just want to be good old friends again.

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