I think a lot of people (including myself) have suggested separating hunger and thirst at some point, I’m glad to see it’s planned.
Once that’s in it should allow for things like drinking water affecting appetite for a while, without affecting your body’s need for nutrients.
Re: Dehydration is serious and deadly, it’s not ‘gossip,’ it has been studied like crazy all over the world. Here is a quick and easy video to watch on the subject: http://www.youtube.com/watch?v=q3bjUu_ONjc
Although dehydration is certainly variable (the body uses its fluids for so many things that it would be impractical to list all the variables here) but suffice to say the longest a person can go with 0% fluid intake maxes out at about 7 days before things fail catastrophically, and well before that you’d still need hospitalization and treatment in order to recover properly from dehydration. Someone who is severely dehydrated cannot simply drink water to recover, as the balance of electrolytes and fluids in the body has become wildly dysfunctional, and by the time you have restored your body’s natural fluid levels you are likely to be suffering from water toxicity. Yes, water can be toxic when its levels vastly exceed the levels of electrolytes harbored in the cytoplasm, because it causes your cells to burst.
Yes, you can suffer from dehydration and water toxicity at the same time. This is why treatment of dehydration actually involves putting the patient on a slow electrolyte IV drip - they are literally putting sodium (salt) into your body along with fluids. Sounds counter-intuitive, I know.
Don’t mess around with dehydration.