Can we have a realistic hunger system, after 2/3 days depending on someone's stamina they acually die without food or drink After all its just as important as resting.

I don't think annoying real world task such as eating, taking a nap, drinking, visit to the bathroom, etc belong into games where you play the epic hero. With horror I remember Ultima 7 (otherwise an extraordinary game) where you had to feed your companions every 5 minutes, change their cloth so they wouldn't overheat or cool out and otherwise babysit them (including the main character) around - for that I'd rather play The Sims (another nice game) which makes those daily routine things integral part and point of gameplay.