I agree that the most important thing above all is to retain custody of your child and to not let your child be adversely affected by it. Bickering about religion isn't worth it if A)you lose custody B)it upsets the child.
Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own - Bertrand Russell