You've constructed and tweaked the parameters of your algorithm and are ready to train your model. This time isn't lost, but rather an opportunity to do some much-needed tasks like seasonal cleaning, tackling physical health, practicing self-discipline, calling a loved one, or learning something new. While waiting for the model to train, you can tidy up your file system, clean up code, organize digital and physical environments, take care of physical health through exercise and healthy eating, resist the temptation to check intermediate results, learn something new, call a family member, or simply enjoy some fresh air and meditation.