The greatest gift a parent can give a child is unconditional love. As a child wanders and strays, finding his bearings, he needs a sense of absolute love from a parent. There's nothing wrong with tough love, as long as the love is unconditional.
A volunteer is a person who can see what others cannot see; who can feel what most do not feel. Often, such gifted persons do not think of themselves as volunteers, but as citizens - citizens in the fullest sense: partners in civilization.