Drink lots of water ~ hydrate yourself with water.
Eat high fiber foods ~ fiber fills you up, sustaining you longer than foods without it.
Eat whole foods ~ Try to avoid most processed foods.
Eat 5-6 times per day ~ eat a serving of protein along with a complex carb every three-four hours.
Eat more vegetables ~ choose from dark leafy salad greens, asparagus, spinach, broccoli etc.
Eat fresh fruits ~ apples, melons, strawberries, blueberries etc.
Limit your salt & sugar intake ~ avoid soda, cake, canned soups, salty snack mixes etc.
Keep a food journal ~ either a notepad or online, get into the habit of writing down your workouts and meals.
Lift weights ~ Start a weight training program. Builds lean muscle, builds strong bones, increases metabolic rate, reshapes your body.