Please seek help for your situation. I know the helpless feelings that you are experiencing 1st hand. It does get better. But there is work to do. You will do the heavy lifting, you just have to make the decision that you will. Find you"Why" for doing it. Your kids may be a good place to start.
You are getting so much support and advice here. Please do not let it go to waste. Heed the suggestions. They come from people just like you and me that have and are experiencing exactly what you are. Trust me. You need to stand up and take a step now. One of my favorite quotes during this time is attributed to Winston Churchill, If you are going through hell, Keep going, this is no place to stop.
Me 46 Former W 46 D19 D7 BD Feb 2016 WAW moves out 4/16/16 D final 6/1/2017
It's time for me to start changin' the way I look at the world......and at myself. ~James Howlett aka Wolverine