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.
Mythology and science both extend the scope of human beings. Like science and technology mythology as we shall see is not about opting out of this world but about enabling us to live more intensely within it.