The author of this book suggests to know everything about work of hormones, mechanisms of formation of emotions, behaviors and to work of different нейрохимических substances. And yet about that, how your brain creates steady habits and why it is so difficult to free oneself from that of them, that are considered bad or pernicious. Inwardly you will find the 45-day plan of education of new habits, that will help to form the new templates of behavior and learn to start an action "hormones of happiness". Reading this book, you will be able to reprogram the brain and activate those hormones that will do you happy.In Russian language published first.