A person must know how to be content.
When you are hungry, be content with a bowl of rice. When you are cold, be content with a cotton-padded jacket.
Be content when you receive the love of others.
The above ↑↑↑↑ is Professor Liu's Chicken Soup for the Soul.
So, Song Xiaoyan said: "You should be content, right?"
Professor Liu turned around with a "hum".