Maybe today is the day you are ready to tackle your food and get it in order. What does that mean for you? I've written before about my addictions with sugar and how I cried for that first week straight when I let go of the white stuff. Yours could be cheese or soda or any number of Americanized, chemicalized, seemingly benign creations that you find you can't let go of and know it is hurting your health or widening your size.
Would you be willing to let that item (or items) go? If not, why not? If yes, why now? You've got your reasons. I suggest you tell them to someone else. Having a witness to what you are doing will help you keep your resolve. Embarrassment is one of the single worst feelings so we do a lot to avoid it.
Next, start tossing out the food culprits. No reason to have them staring at you in your own home. You'll have enough chances to see them again while milling around in the world. Begin filling your pantry with supportive staples. Whole grains like millet, quinoa, brown rice, barley, etc. Get a couple of sea veggies to start. Nori and Dulse are two of my favorites. (They don't need cooking so that makes them easy too.) Buy some kudzu and umeboshi for both medicinal and culinary purposes. Grab your favorite beans. Having a few cans of organic (Eden is a great brand.) beans on hand will make things easier or faster when you need them. If you don't know what your favorites are - just get a few different ones to start experimenting with.
Then begin making the produce section your new best friend. Try vegetables you may have never heard of or just go out of your way to buy more than onions and broccoli and carrots. The more vegetables you make friends with, the better. Not all vegetables are equally good for you and a few might not be on your recommended list at all but until you learn from a coach, a book or somewhere the significant differences, just begin by loading up with variety. Get some dark leafy greens like kale or collards, a nice winter squash, something in the onion family along with celery and carrots to use with other things. See if you like braised turnips or roasted rutabagas maybe with lemon and poppy seeds or perhaps basil and mint.
If you think you have no time to cook - start with my fast and easy cookbooks. (http://stores.lulu.com/susanmarque) You will find that you can probably have a meal ready faster than getting to a restaurant and ordering. One thing that helps is to think ahead. Make some grains ahead of time or a large amount of soup so that you have some for the next two days or be able to freeze portions for later.
Food rehab starts with your determination and then it can become a fun game you get to play each day. Certainly like any relationship, there can be the ups and downs. The frustrations and the delicious moments, because that is life. Enjoy it as much as you can!