This is Day 13 of the 30 Day Walking Challenge. During today's ten-minute walk, Dave talks about what he thinks is the number one reason people stop pursuing their fitness and walking goals.Download your FREE 30 Day Fitness Chain Tracker for this challengeSupport the sponsors of Walking is FitnessRythm Health is the world's easiest blood test to help you learn what's happening inside your body. They are offering you 15% off your first month and free shipping at rythmhealth.com/walkingI've been using Warby Parker glasses for nine years I love them! Buy one pair of glasses and get 20% off any additional pairs at warbyparker.com/walkingSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.