By simply rehearsing possibilities in your head and rehearsing how you will react in those situations, you will strengthen your self-confidence. In the mid 1960s, East Germany's Olympic athletes improved their skills dramatically when they included visualization in their trainings. Regardless of the season, a temperature drop of 30-40 degrees Fahrenheit in one hour is not uncommon in the mountains. Add cold rain and wind, and nature has mixed the perfect recipe for hypothermia. Hypothermia results when the body loses more heat than it can generate.
Effective dressing is the simplest way to avoid hypothermia in the dynamic weather of the mountains.
Through practice, you can learn to add and remove layers of clothing at just the right times. You should remove a layer of clothes before you begin sweating, add a layer before you get cold. By doing so, you can balance the amount of your body's heat generation with heat loss. The winter mountaineer's lunch, it is often said, begins just after breakfast. That's a small exaggeration.