Patrick Woodhead, writing in the Telegraph:

  1. You’re going to have to eat a lot of raw butter.
  2. Washing is a painful experience.
  3. Take it one step at a time.
  4. Choose your companions carefully. You may have to eat them.
  5. Going mental.
  6. The tent is a surprisingly nice place to be.
  7. Take a notebook and pencil.
  8. Frostbite is about sweat, genetics and experience.
  9. Expect delays.Β Planes rarely run on schedule.
  10. There is often a huge sense of isolation and disconnect when you come back to everyday life.

Read the whole article.