Hello gloria
I don't have much first hand experience, but I wanted to say that I admire you for having tried to work things out and even more I admire you for doing what you have to to take care of yourself, and realizing when it is time to move on. Looking for help and advice shows that you are following through with that.
Others here have posted about Women's advocacy groups that may be able to help. Maybe a women's shelter could point you toward some advice as well. I'm sure the people here will jump in with more concrete suggestions.
A part of the fear is always the fear of jumping into the unknown, leaving a secure space even if that space is hurtful. The best way past that fear is to get the support of others (like the people on this board) and to get information about your options, make a plan, so that it becomes less "unknown." Good luck!
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http://www.idexter.com
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-- The world is what we make of it --
-- Dave
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www.idexter.com