At this point in the story, we’ll be ready to ask: Where does happiness come from? There are several different “happiness hypotheses.” One is that happiness comes from getting what you want, but we all know (and research confirms) that such happiness is short-lived. A more promising hypothesis is that happiness comes from within and cannot be obtained by making the world conform to your desires. This idea was widespread in the ancient world: Buddha in India and the Stoic philosophers in ancient Greece and Rome all counseled people to break their emotional attachments to people and events,
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