No, I didn’t get ripped — but it overhauled my entire life in a year — I had just finished reading Gretchen Rubin’s “The Happiness Project,” — a book about a year-long experiment in which she pursued habits that made her happier. She came up with 12 small word projects — energy, marriage, work, parenthood, etc., that could unlock “real” long-lasting happiness. It sounded like the…