There are some people who have gotten so used to working out every day that it's impossible for them not to exercise every day. Once they miss out on working out, it would be like they destroyed something so special in their daily life routine or schedule. Working out regularly is very important for one's health and fitness, so it's very well encouraged to participate in exercises as much as possible to make sure you are healthy and well. Now, the number of hours you invest in working out is what should go a very long way in determining whether you can effectively be working out every day without breaking down or having any side effects. If you are just working out for at least a minimum of 30 minutes every day, I think that it's very possible to be exercising on daily basis.