Walking around for a couple hours is not really exercise, it's normal human behavior. For instance, my 86 year old grandfather does this every day. If you aren'

Walking around for a couple hours is not really exercise, it's normal human behavior. For instance, my 86 year old grandfather does this every day. If you aren't exaggerating you might want to see a doctor. That level of exercise intolerance is a key indicator in a number of severe health disorders, such as morbid obesity, congestive heart failure and multiple sclerosis.