> If you ate rabbits only you won't become satisfied
> by energy.
> If you eat more -for the energy- you'd get rabbit
> starvation.
> With lean beef you have to be satisfied with 2150
> kcal,
> with fat beef you won't get rabbit starvation.

Hate to belabor this, but can the energy difference be
satisfied using either carbs or fats? If it can be
only satisfied using fats, then I would tend to call
it fat-hunger. If it can be satisfied by either, then
apparently it is a protein ceiling (unchanging - invariant).

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