7. Do a daily gut check
Place your fingers on your belly and inhale deeply so that it expands. As you exhale, contract your abdominal muscles and push your fingertips against your hard abdominal wall. Now pinch. "You're holding pure fat between your fingers," says Tom Seabourne, Ph.D., author of Athletic Abs. Do this every day, 30 minutes before your workout, and you'll find that you'll rarely decide to skip it.