It is human nature to strive for something. Love, family, children, education, a successful career, prosperity, recreation, creativity, health - this is not a complete list of our everyday needs. However, most of us live in a world of problems and worries. Why is this happening? And is it possible to make sure that problems are solved easily and quickly, the necessary goals are achieved and life brings only pleasure? How to learn to live calmly and joyfully, without unnecessary worries? If these and similar questions have crossed your mind, then our book is for you. Perhaps it will become for you something like the rules of the road - only moving through life. In it you will find those unspoken laws and rules that govern our entire lives. These are the very traffic lights, signs and indicators that people often do not notice or do not want to notice. Our task is to make them visible and understandable to you. The book will give you a chance to get out of the world of problems and experiences and take a step into the Reasonable World. A world in which you can make informed decisions because you know the causes and consequences of certain events. If something doesn't work out for you, you will know why. If you want something, you will know how to achieve it. You will become the real master of your life. 3rd edition.