Concept
Voluntary Discomfort
2 books in the library reach for this idea - each in its own way. When independent authors converge on one concept, it usually deserves attention.
A Guide to the Good Life
How this book uses it: Periodically choose mild hardship (cold showers, skipping meals, uncomfortable clothes) to build resilience and appreciate comfort. Seneca's "practice poverty."
Letters from a Stoic
How this book uses it: Deliberately experience hardship (fasting, cold, poverty) to build resilience. Do this monthly.
