Even monarchs and heads of giant corporations need good counsel and feedback. Only incorrigible fools refuse to listen, shun criticism, and scare people away from telling them the truth. People like this can't be helped because they can't be reached. They madly rush over cliffs without being able to hear warnings. Everyone benefits from friendships deep and secure enough to shelter fault-finding, honest advice, and a faithful mirroring free from deception. For this role however, trust only those with integrity—the sincere, wise, and loyal.