Morin, Amy, 13 things mentally strong people don't do : take back your power, embrace change, face your fears, and train your brain for happiness and success / Amy Morin - 260 pages ; 22 cm. BAHAN HADIAH SUMBANGAN DARIPADA NAJIHAH NOOR BINTI MAZALAN Includes bibliographical references ISBN: 9780008105938 Subjects--Topical Terms: Self-actualization (Psychology)Mental discipline