This is the hardest step of all, but the most important in truly moving on with your life. If your divorce is anything life most divorces, both of you shared a part in the blame. If you can forgive her, you can probably forgive just about anyone. Forgiveness is an important exercise for our well being and mental health. Holding onto grudges might feel good right now, and it will certainly be easier, but the sooner you can forgive her, the sooner you can start working towards a better life.