The stoics have many life hacks to live a good life. One of these hacks is voluntary discomfort. You voluntarily choose to endure discomfort in some way to cultivate appreciation for what you already have, practice resilience and to prepare and train yourself for when you encounter inevitable ‘real’ discomfort in life.

These do not have to be huge discomforts, they can simply be something like going without air conditioning on a hot day for ex.