The nature of human life is the same as two sides of one coin; up and down side may be an equal possibility when you throw the coin on the grown. However, the technique on how to throw it so that it will fall on the side you desire is the most important you should learn to know. In human life, good luck and bad luck may be an equal expectation to everyone; the strategy to maintain good luck in your life, and reduce harmful effects from bad luck is what human beings have to learn. It would be wise if you can create new hope and dream whenever you feel very much disappointed and discouraged. Even though your hope and dream do not come true at that time, it can help you to have positive feeling, which will enable you to generate energy, strength and morale to overcome many obstacles and problems. This book will give you guidelines to create positive feeling, reduce stress and improve mental heath. Many effective techniques for reducing stress such as to eliminate the stressor, adapt to the stressor, create a sense of humor, reframe thinking, manage worry time, keep smiling, and to stay without hatred, greed, anger and revenge are also included.