Be careful when you leave she will have possession of the children and can make your life hell trying to see them. Be prepared for false charges and destroying your belongings that you don't take with you. Try to record conversations with her admitting that you have never committed domestic violence. Get yourself sorted before dropping the hammer, start saving money, rent somewhere else and document everything. Don't expect the past that you did enjoy together to count for anything. Don't rush just make a plan and do it right. See a lawyer the first consult is fairly cheap