How do I get through this divorce depression?

My ex divroced me and didn’t want to make our marriage work. Been together for 10 years, married 5 with a 3 year old. There was no trust or respect in the marriage. At the end of our marriage he tried to talk to my friend and also was going to the clubs until 3 am at times lying about where he was and I was crazy. I would stalk yell and fight because I was madly in love with him. But through all of this I still feel like he was so good hearted and the divorce is my fault. Like if I hadn’t nagged and yelled so much or given him space then we could have lasted. I find myself crying everyday and grieving and it’ been 6 months since our divorce. Even through our divorce he helped me move across states when my own family didn’t. I love him so much but he’s already moved on and thinks I’m some whore that’s sleeping around. I wish I could but I can’t even bare the thought of another person touching me. I don’t know what to do or how to handle this. I find myself trying to without my son from him because he’s all I have left😩😔

How do I get through this divorce depression?
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