The human mind is a fearful instrument of adaptation, and in nothing is this more clearly shown than in its mysterious powers of resilience, self-protection, and self-healing. Unless an event completely shatters the order of one's life, the mind, if it has youth and health and time enough, accepts the inevitable and gets itself ready for the next happening like a grimly dutiful American tourist who, on arriving at a new town, looks around him, takes his bearings, and says, "Well, where do I go from here?