When you write a book about rappelling, you get a steady stream of questions related to the subject. Most questions are not questions at all, but simply someone wanting a second opinion on an answer they’ve figured out themselves (a Norweigan friend once commented how English people tend to ask a question that includes the answer they know they’ll receive in asking, such as “do you think we’ll miss the train?”).
Learnt about what ifs in the army ( actions on .... x y or x happening) luckily it was one of the best tools ever for every aspect of life.