Angie, one thing I've learnt is that you have to do it your own way, in a way that suits you best. In a way I fast during the week- I eat less than 1200 cals Monday - Friday then at the weekends I allow myself some freedom. My weight on a Monday will be 10.7 or sometimes more, but when I weigh myself on a Friday or Saturday I'm back down to 10.2. I find that daily weighing really helps me as it is easier to correct a pound or 2 than 7, and if I don't weigh I'm likely to be in denial and avoid my Friday weigh in.
Weasey and I have both taken very different approaches in terms of eating- but they both appear to be working just fine. One thing we have both done is taken up regular exercise, Weasey more than me, but I do think that regular exercise is very helpful to add into your new 'life'.
I was worried about a permanent diet, which is why I let myself do what I like at the weekends generally. However I like eating low calorie during the week as I am quite precious about my new weight. I've worked hard to lose weight and now I feel that I have to look after it. When you reach goal you'll feel such a sense of achievement that you won't want to lose it. The longer you maintain, the better you feel.