Good for you. I know people who are iBankers who work 80 - 120 hours a week and don't miss a session. Doesn't make the mantra of illness, injury, or lazy any smarter. As they also have no real other obligation besides work. Similarly my friend's dad is an analyst at the Hartford in CT, but lives in Framingahm with his three kids and his injured wife. On top of his 8+ hours a day of work, he commutes 3 - 6 hours, and actually has responsibilities to take care of. Making excuses obviously. One of my friends started his own moving company a couple years back and still trying to get it off the ground. He basically works all the time either in the office, out on a job, or on call in case something goes bad. We were pretty good running buddies until his wife got far along in her pregnancy and he had to spend all his free time with her. He also missed 2 weeks last year when he went on his honeymoon (quel horrer!) A friend of a friend who is a musician on cruise liners where he is gone anywhere from weeks to months at a time. Another example of someone who obviously just making excuses. The majority of people I know don't exercise due to either no desire by their admission or some lame ass excuse. But there are people have actual shit to do that gets in the way of exercise and simply saying "Unless you're injured or ill, there's no reason to completely skip going to the gym for a week" is just idiotic.