Parents should take charge of their children's health.
Nancy's son skinned his knee while biking outside and is treating the wound.
Nancy wants the wound to heal.
Nancy has her son report to her twice a day to clean and re-bandage the wound.
Nancy instructs her son on how to care for the wound, including cleaning and re-bandaging it.
The wound heals quickly under Nancy's care.
Nancy's son prefers to play instead of care for a wound, so it gets infected.