Quarantine Kung Fu: Lockdown Liuhe 6 (Self-sufficiency)
What can you learn about self-sufficiency from the life of a hermit?
They have a limited supply of energy to do "the work" AND everything that supports it.
Grow, forage, prepare and eat food.
Maintain living space
Exercise
Defend against wild animals
Sick care, and more
It's good to pick activities that are mutli-use and efficient. Xinyi does have those qualities.