Wie man traurig ist: Alles, was ich gelernt habe, um glücklicher zu werden, indem ich traurig bin
18,32 €
"In any human life there are going to be periods of unhappiness. That is part of the human experience. Learning how to be sad is a natural first step in how to be happier.". While devoting a career to writing books on happiness, Helen discovered just how many people are terrified of sadness.
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