Happiness is big business, with sales of self-help books in the UK reaching record levels in the past year. Perhaps that's because happiness is no longer the birthright of the elite. Just half a century ago, psychologist Warner Wilson seemed to suggest that you are be less likely to be happy if you're uneducated and poor when he stated that a happy person generally is "young, healthy, well educated, well paid, extroverted, optimistic, worry free, religious, married, with high self-esteem, high job morale, modest aspirations, of either sex and of a wide range of intelligence".
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