What should I do after telling my friend that I like him?

I decided to tell my friend that I felt attracted to him. I thought he would pull away because I knew he didn’t feel the same way about me, so I said I would step back first. But he said he didn’t get it and even seemed sad. He said it was funny because he didn’t understand why we would want to stop talking as friends, and that nothing would change for him after that. He completely ignored what I said. So, I guess I should just chill, right? I should still step away, right? It doesn’t make sense to me. He literally sent me to the friend zone and expects me to act like nothing happened.

What should I do after telling my friend that I like him?
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