It seems that everyone has heard this phrase - 21 days. Yes, numerous studies confirm that it takes only 21 days to develop a new habit! In this book you will find instructions on how to get rid of destructive weaknesses and consolidate useful and effective skills. You will first master the simplest habits like early lifting and reading books, and then move on to more complex ones, such as attentiveness to trifles and politeness. At the same time, you will learn how to get rid of harmful life "acquisitions," for example, from alcoholism, smoking, shopaholism, Internet addiction and many others. You will learn how to get used to cleaning every day, eat right, appreciate time, and usefully spend your leisure time. If you want to live always on the positive and in just three weeks it's cool to change your life for the better, then this book is for you!