Eat often, try to keep lean protein or soy a stable throughout the day, get twenty minutes of hard excercise in at least 3 xs per week, and stay away from the carbs as much as you can. If possible, keep the total carbs at 60 or below for the day. Eat lots of fruits and vegetables too. Good luck, going through it too!!
You first have to limit the sugar in your diet and eat foods with high fiber content. You can also fill up your stomach by drinking a glass of water before a meal and it will help with appetite suppression. Check out http://www.ehow.com/how_4723783_lose-weight-quickly.html for more details.