40, married 20 years, and I'm not enjoying the life I have now. What can I do?

I have been married for 20 years. I have 2 children -19 and 17. At the beginning of our relationship we had a lot of money problems and had 2 houses repossessed and he was abusive towards me - he has the stitches from where I ducked and his fist went through a window! We

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