My girlfriend is a nutritionist and I have always found a way to keep myself in decent shape. I asked her opinion and she said the best thing she could think of is a weight watchers type program that is not so much based on the food you eat but the quantity and frequency of your food intake. It takes a bit of math to count points but it works. In addition I recently bought a pair of Vibrum running shoes (the toe shoes) which fit perfectly in the rear or front pouch of the Luggage Works roll aboard, they bearly take up any room. I try and run 3 miles on long overnights and 1.5 on the short ones. Once you start, and start gradually, it will become routine and you will feel better both mentally and physically. Hope this helps.