Others have covered a lot, but one thing that have helped me through rough patches is to find something to do. If possible to occupy both body and mind, like exercise, yard work, hiking. Something positive with meaning in and of itself. Time is a friend of broken hearts, and making it pass quicker could just help.
I hope you find a way out and through, we all usually do as the survivors we are.
It has been said that the British settlers that went to America arguably didn't escape prosecution as much as they escaped to prosecute others freely.