"Why?" asked the woman.
"Yao grew herbs to make profit, not out of charity. If the villagers knew you got herbal formula from him for free, they will all ask Yao for herbs. How can he turn those people down?" said the woman's husband.
"I think most of the villagers will pay him. And the herbs don't cost much anyway," said the woman.
"Yao doesn't grow enough herbs for everyone in the village," said her husband.
"You are right. I've seen Yao's herbal field. There aren't many herbs in the field," said the woman.
"Just keep it to yourself. We should pay him for prescribing herbal formulas in the future," said her husband.
"I see," said the woman.
...
It was not very sunny early in the morning.
