One day while riding a city bus, author Gretchen Rubin decided she would dedicate her year to focusing solely on the things that really matter — she called this journey her "happiness project." In her book, The Happiness Project: Or Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun ($14), she explains how twelve months of challenging herself and simplifying her life made her a happy person.
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