What you think and believe about the world shapes who you are and your experience of the world around you. Change your accepted models of reality, and dramatic changes will happen in your world. For example, researchers Ellen Langer, PhD, and Alia J. Crum, PhD, set up a study, reported in 2007 in Psychological Science, in which they asked 84 hotel maids how much they exercised. You’d think that with all the physical work involved with cleaning hotel rooms, they would have answered, “A helluva lot!” But although they cleaned about fifteen rooms a day, one-third said they didn’t get any
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