Will he come back after being rejected?

I was talking to this dude for a year. We was going through a lot of small issues such as communication. It’s was getting serious we’re we both say to each other three words. Their are times we’re we don’t speak for months in a year by taking a break. But this time I rejected him we’re I rather he be happy than myself. I made huge mistake doing this. I can’t contact him cause he ask me not to reach out. How long will it take him to move past this we’re we may talk again? Did I lose him good?

Will he come back after being rejected?
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