Fourth Year Sparkversary!! What an awesome accomplishment, since 15477 others joined the week you did, I am sure most all of them have long since quit or never even got started. Give yourself credit as Judith Beck PhD says in her wonderful book "The BECK Diet Solution" for learning to think like a thin person.
The key to successful gardening is to start small. I started with a flowerbed and 4 ft square veggie garden.. it grows from there. It helps to schedule time to weed the thing. its fresh air and watching the veggies grow and don't forget the exercise it takes to chop weeds! Have a wonderful day!