Your conversion must reach all the way to the deepest recesses of your soul, or they will know you are fake. John the Baptist, the forerunner of Christ, was given the ministry of preparing the nation of Israel for the coming of Messiah. Fathers, Mothers also, your children need your heart. There is no substitute, no technique, no wisdom, no program that can take the place of the heart. Your intelligence and education alone are worthless.
Psychology is a deceptive vanity.
Techniques, including the ones we teach, are paint brushes without artists. God breathed into us a living soul, making creatures with whom He can fellowship. If you would fellowship with your children, you must breathe your soul into them. You may need to make adjustments that allow you to have more relaxed time with the children. But sometimes the problem is deep in the soul of the parents.