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The hunger is temporary.
It is caused by the fact that the body does not just glide into ketosis. It takes a bit of shock, and that is why the carbs have to be completely cut to zero for the beginning phase.
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I think the diet changes your tastes, too. Most recently, after being on it for a couple of weeks, I found those Atkins snack bars. The sweetness of them was just too much. After awhile, your taste buds have gotten a rest from that ‘sugar-assault’, and you just don’t want to eat so much of it anymore, even when it’s ‘fake’ sugar.
-JT