Quote Originally Posted by Sasquatch
Now, why couldn't we just eat while we play? I've sat down in the morning with a box of cereal and my Super Nintendo, and gotten up only once or twice (if that) to go to the bathroom, until midnight or later...just to do the same thing the next day. Do we have to really not eat?

I'd say two days.
A wizard has zapped all of the copies of FFVI except one. He says you can play this game if you starve yourself for a number of days. The question refers to the max number you would be willing and able to go.