It is good to push yourself and stay active, but each week give your body a full day of rest. This allows you to recover and prepare your body to reach new levels! Not giving your body a day to rest can increase the risk of avoidable injuries. That doesn't mean you can't take a relaxing walk or swim, it means, don't push yourself for a whole day, enjoy the rest and let your body heal. I exercise for 6 days of the week and give myself Saturday off as a day to rest and enjoy my time elsewhere. That is playing it smart.