Hi Jodidean - I wrote this on the other thread you first posted on, but will put it again here, along with a few more thoughts:
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I've been on the program twice - the first time in 2005. In 2005 I scrupulously followed every rule and never deviated. I lost a total of 35kg.
My experience is that the weight loss generally slows down for lots of reasons. Firstly, the most obvious reason is that it takes more calories to keep the metabolic functions of a large body going than those a smaller body. Thus, the more body weight you lose, the less calories you need in any case. However, don't change the amount you eat - just do what they say, and it'll all pan out in the end.
Also, your body gets used to dealing with the lower amount of food, and becomes heaps more efficient.
Just keep it up, accept that the loss rate will probably end up being a curve rather than a straight line, and take a lot more notice of the measurements than the weight.
Some people report finding that changing the kind of protein they eat makes a difference. Those that eat a lot of seafood say they find the best losses on seafood, so maybe try that. Also, some people say that the cheese meals don't result in as good a weight loss.
Apart from that, just keep going and enjoy the new you, the new clothes, and let the weight worry about itself. You'll be healthier, happier, more fit and have lots of compliments, so just enjoy!
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Jodidean, looking back on my second time experience, I noticed last night my losses were like this (as follows). 9.8kg first month, 3.5 kg second month, 3 kg third month. Keep in mind I haven't followed it exactly to the letter because of my circumstances, but I have done the best I can.
It's not uncommon to read of people losing a whole heap the first month, then approximately half or less in the following months. Particularly as you lose more weight, it slows down for some people for the reasons I mentioned up above.
Although it's tempting to deviate and see what happens, I wouldn't recommend it. In the first place, it's hard to get back on again - so many people derail themselves this way.
I will admit the first time around, towards the end I added a few more flavourings to my food than were allowed just so I would stay happy on the food, which had minimal effect overall. This time I've done that all along.
But if you are happy on the food, and your circumstances allow, just stick with it. You will get there, though it's frustrating when the numbers seem to stubbornly stick in one spot. Just remember you are aiming for overall improvement in health and well being, and the numbers are a secondary issue.
You could try a little exercise as well.