You never travel, other than the medical school? A whole day running, and live in the plastic bag, you carrying your own supply of the food? In America, there is a honey mix nuts. Its a snack

Taiwan we have these assort nuts and I buy rasins. 

In Asia this Business Class, they have one of those package small tiny nuts or some package of food, usually the airport has a banana. Where you gonna intake your fruits?  Meaning when do you plan on going to poo? Next day morning? 

Taiwan we have one of those 仙楂片 its a package of like 20 pieces, round looks like a tablet. Its a little bit sour, to stay in the mouth. We have also those dry mango package.芒果乾

(Shut up birds.)

The chocolate milk I used to stay in that Taipei Station whole day every noon after.....you walking whole day on where you think the money comes from.