What feelings can you cultivate in your spare time?

There are many interests that can be cultivated in leisure time, such as reading, flowers, photography and singing ... But the feelings that can be cultivated in leisure time should be accumulated and gradually cultivated by understanding and interest. For example, you can learn calligraphy to precipitate your heart and develop a calm and introverted feeling; For example, do public welfare activities and make yourself a bright and beautiful person who can see the good and evil in the world.