Quoted By:
about 20% of the average human's calorie expenditure goes to maintaining the brain
if you think about it, considering the Satori is such a genius, she probably uses more than 100% of her calorie intake maintaining her brain, which would explain why she always seems to get physically tired so easily. Satori is probably able to use her body with almost no energy at all out of sheer efficiency due to her own genius optimizations. This has probably never happened to anyone else, since those who fell short of the threshold she was able to surpass with her aryan genius simply died.
