I'm sorry this is so painful. It must seem like a radical move. But, if the marriage is as you describe it, then it sounds like you need to move along. That's got to be demoralizing to wake up every day in a home where the marital love is extinquished. There's no guarantee that a good man will come a long. But, if you stay where you are, there's no room for a new relationship. That may not be your priority right now, and I would discourage you getting emotionally involved with someone new right away. Still, you need to begin detaching from what it seems you regard as a lost cause.

There will be an adjustment period - for you and for the kids. The sooner you get that underway, the sooner it will be behind you. Then you will settle in to your life, as it will be. I take it, you're still a rather young woman. The current home situation is dragging you down. If there's no hope, then untangle yourself from this man. Challenges await you, but nice things that you can't even imagine right now are also awaiting you. Open yourself to what could be when you let go of what is.

You've made your preparations. Don't linger in a stifling situation. Things will work out.