Workouts are like falling in love. The first few weeks young love sets in. Then, after the bloom of love fades, it get's harder and harder to commit to the workout.
It's a "vicious cycle of failure," according to Michelle Segar, director of the Sport, Health, and Activity Research and Policy Center at the University of Michigan. Segar's book, "No Sweat" gives five tips to keep your exercise routine fresh. [MORE]