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[vforvendetta]

^ ko có đấy chứ

As a side-note, there were two basic bodily needs that existed in SAO. One was fatigue and the other was hunger.

giải thích thêm

I understood why fatigue existed. Virtual information and real information were no different to the users’ brains. If players became sleepy they could go to an inn and rent a room to sleep in depending on the amount of money they had in their pockets. If one hoarded a large amount of Col, they could buy a house, but the amount of money needed wasn’t small.

Hunger was a need that many players thought of as strange. Although they didn’t really want to imagine what was happening to their bodies in the real world, it was most probable that we were being force fed nutrients somehow. That meant that the emptiness we felt here had nothing to do with our real bodies.

But if we bought some virtual bread or meat in the game and ate it, the emptiness disappeared and we felt full. There was no way to find out how this strange mechanism worked, short of asking a professional in the field of neurology.

So the opposite was true too; the hunger didn’t disappear unless we ate something. We most probably wouldn’t die if we starved, but the fact that it’s a need that’s hard to ignore doesn’t change. So the players visited the restaurants that the NPCs ran daily and ate some food there, at least data-wise.

Also, there was no need to excrete waste in the game. As to what was happening in the real world, I didn’t even want to think about it.

thật ra là có mà ông tác giả ko giải thích gì nhiều, dạng như đề cập cho có thôi vậy == ...
vụ hunger thì ko ý kiến vì có đói đến chết trong game cũng vẫn sống nhăn, nhưng fatigue thì nó thể hiện rõ sau những màn bossfight trong novel mà