eat only fruit, nuts and red meat. Nothing which you could not scavenge for. No grain, no dairy (except milk, I'll allow milk), no cereals or bread for sure.

Live a somewhat active lifestyle whilst not over-doing it. It will leave you feeling hungry but thats why you should eat nuts and seeds because they're low in fats (go for unsalted seeds and nuts) but filling. You'll also end up with "interesting" bowel movements sorry can't be helped...you will also with mild excercise shed weight like nothing else on the planet. You can lose a lot this way and whilst the excercise workout is mild you'll end up looking lean, mean and will have stringy but strong muscles.

I'm not bloody kidding on this either. Very quick and good way to lose a beer gut and get in shape.