Cook your meals on a Sunday to hold you over for a few days. Stock up your refrigerator or cooler at work. Keep them in your gym bag, your desk drawer, coat pockets. You won't be so inclined to order in or eat out. Scrap diet sodas and caffeine.
Water is very effective in fighting fatigue.
Helps you lose weight, control appetite, enhance fat-burning, and cleans your system. Keep on hand protein powder for a low-calorie energy boost. If you do go out to eat, eat only half of what you get. And pitch the bread basket, by the way. Opt instead for a salad with dressing on the side.