The fat fast is ment for people with extream insulin resistance that can't lose weight period, not those who lose weight with occasional breaks. All weight loss programms will involve slow times.

Some people do haev success with the fat fast. Most who try it though complain of being ill after a couple days, and the majority gain all the weight back anyway once they start eating more things.

Why not read the article on the atkins page about dealing with plateaus and try some of those suggestions first. Such as eating a KISS plan, increasing exercise or water, checking for hidden carbs, and so on.