My ex boyfriend blocked my number and wants nothing to do with me how do I fix this?

I've been broken up with my ex a little over a year now. We talked on and off cause we worked together also. I just got a new job and haven’t seen him in almost a week tomorrow will be. We had a big argument New Year’s Eve he blocked my number and then unblocked me and said he will never speak to me again he wants nothing to do with me called me crazy cause I was texting him too much. And then said if I contact him again he will get a restraining order. He had enough of me and he wants me out of his life. I can’t contact him now. How do I fix this situation? He instead of talking in person to me about this just blocked me over text and it’s been 3 days now of no contact.
My ex boyfriend blocked my number and wants nothing to do with me how do I fix this?
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