If you want to walk an hour a day, don’t start with one hour. Choosing one hour is automatically building in the excuse of not having enough time. Commit to a fail-proof five minutes instead. This is exactly what Dr. Fogg suggested to his sister, and that one change (the smallest meaningful change that created momentum) led her to buy running shoes and stop eating dessert, neither of which he suggested. These subsequent decisions are referred to in the literature as “consonant decisions,” decisions we make to be aligned with a prior decision.
