Dancing with the devil [electronic resource] : why bad feelings make life good / Krista K. Thomason.

"Negative emotions like anger, spite, contempt, and envy are widely seen as obstacles to a good life. They are like the weeds in a garden that need to be pulled up before they choke out the nice plants. This book argues that bad feelings aren't the weeds; they are the worms. Many people are squeamis...

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