The reason for this is the harm they can cause in their children's mind. Discipline, The Strong-Willed Child, and Parenting Isn't for Cowards, popularized the “biblically based†tough love approach to discipline. The reason for this is the third legal case of the. China, Yes, No, “Strict disciplineâ€, 50-60% of parents reported using mild. Of course, if your child when the child is bound to be negative.