" The other thing that is underemphasized in the Minnesota study, Lieberman said, is the fact that parents can overcome histories of trauma and poor attachment; that they can change their approach to their children from one that produces anxious attachment to one that promotes secure attachment and healthy functioning. Some parents can accomplish this transformation on their own, Lieberman said, but most need help. "

― Paul Tough , How Children Succeed: Grit, Curiosity, and the Hidden Power of Character