After three days without reading, talk becomes flavorless

Similar sayings:

The evening crowns the days The evening crowns the days
The man who comes with a talk about others has himself an ax to grind The man who comes with a talk about others has himself an ax to grind
Talk does not cook rice Talk does not cook rice
Married couples who love each other tell each other a thousand things without talking Married couples who love each other tell each other a thousand things without talking
Hold back some goods for a thousand days and you will be sure to sell at a profit Hold back some goods for a thousand days and you will be sure to sell at a profit

Chinese sayings and proverbs