A person by birth is given by the Universe about 120 years of life and 100% health as a confirmation of his destiny and essence. If a person did not interfere with himself in life, he would make full use of all this. However, the practical life of most people, being not prosperous enough, wastes years and health in vain; reduces life years to 67–70 years and dies burdened with disease. Such life activity has its own substantive content. Knowing about it, you can avoid it and maintain your initial goal for a long time. The book contains extensive and detailed reflections on this topic and provides personal experience in maintaining health and longevity. The book contains useful information for both young and old people to maintain what remains of health and longevity. The author is a very old man.