About the book: 2019 / Gretchen Rubin spent more than one year studying happiness and habits to understand: there is no universal way to build more happy life. This is because we are different, and moreover, what suits one person is often the exact opposite of what suits another. In her new book, Gretchen Rubin offers readers a unique system of personality types that will help readers better understand themselves, use their strengths sides and confront weaknesses. In addition, this book will give you the tools to better understand other people, teach you how to live and work more effectively with them as colleagues and bosses, husbands and wives, parents and children. By understanding and taking into account the characteristics of our personality and the personalities of other people, we increase our chances of success and a happy life. Try it!