He who loves his son will not spare the rod.... He who disciplines his son will profit by him. 32 Fathers, do not provoke your children to anger, but bring them up in the discipline and instruction of the Lord. 33
Catechism number 2231
Some forgo marriage in order to care for their parents or brothers and sisters, to give themselves more completely to a profession, or to serve other honorable ends. They can contribute greatly to the good of the human family.