We all know physical fitness and exercise are important for being healthy. AdvertisementIf you do these three simple things when you start working out, you're more likely to stick with it:1. Understand your reason to exerciseDid you know that participating in regular daily exercise is linked to reduced risk for various chronic diseases? Once you understand your reason for incorporating physical fitness and exercise into your daily routine, write it down. Start small with lighter weights and gradually build up your strength.