Book (Practical) Ethics and morality A small book on happiness

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Ethics and morality
The 13 know-how created by Sweden, a Northern European country, to raise the level of happiness. It is the first country in the world to land in Japan. The 13 methods that have been scientifically proven to be effective in "raising the level of happiness" have been published by a professor at the Swedish College of Commerce. Let's learn about the "half" of happiness. Let's make good imagination. Let's re-experience good memories. Let's move our bodies. Let's do what we are good at. Let's be with people. Let's not think about happiness seriously.