You've just got to have a sense of respect for the person you have children with. Anger doesn't help anybody. Ultimately you have to say forgiveness is important and honoring what you had together is important. But it's easy to say and harder to do.
I can sometimes hear her music now, after thirty years -- and remember the leaves falling on some smoky autumn afternoon, the air crisp and the sounds of dogs barking, and train whistles far away.