God wants children to be happy. Happiness is part of the blessing God wants for our children. God also wants children to be obedient. This is God's order and plan, and it's important to realize that disobedient children are never truly happy. These two things go together.
Happy obedience includes both happy attitudes and obedient actions.
Even when he is old he will not depart from it. Scripture promises and teaches that children can be a blessing. But neither can they wait until those teenage years to apply the principles of the training corral. It is correction in the form of admonishment, discipline, or instruction that results in education, true understanding. As used in the Old Testament, this word spoke of chastening, correcting, instructing, and providing all that is necessary for the training of children.