Many scholars and academics spent a long time searching for the causes of happiness, but their research remained a burial of remote scientific bulletins on the hands of the public. Here in this book, a social and psychological scientist, David Nevin, distorted more than a thousand serious studies that were formulated with complex methods and terms that are not understood by the common people, looking at happiness and their causes, and formulated it in advice that is easy to understand and digest. The author adorned all these hundred practices and customs with clear examples, so it enlightened it with direct clarifications from the science behind them, in order to show the reader how he can transform the results of a dry and dull practical into a life full of happiness and activity. The most recommended is (self -confidence), considering that your confidence in your own capabilities increases your life, and makes you live a happier life, whether in your home and between your family, or in your work. Then he advises you to enjoy what you have, stressing, and by evidence, that this little that you have can give you more happiness than that many others !!