There is an inversely proportionate relationship between altitude and appetite. The higher you go, the lower your appetite gets. (I wonder if this relationship holds true under the sea? Perhaps as you sink thousands of feet down in your submersible you get an almost uncontrollable urge to eat everything?) The higher i go, the more difficult it is for me to find things that I like to eat. If something tastes “OK” at sea level, it will be pretty much inedible by the time you get to 23,000 feet. So I try to find things that I absolutely love at sea level and hope that they’re still tolerably tasty when I get up high.
Currently my list of favourites includes: Fruit Pastilles, Snickers, Walkers Shortbread and Bounty Bars. I’m not sure that is enough to live on!!