Xu Xi looked at Tang Yu in astonishment: "Tang Yu, do you know the consequences of taking this medicine beforehand?"

"I don't know. But I understand now." Tang Yu said lightly. He did not know in advance that the medicine had this effect after seven times. In other words, seven kinds of medicinal herbs are boiled together, which will make people have that kind of impulse, burning. And that kind of feeling is gradually rising, Double-Seventh meeting, seventy-seven percent, eat the seventh time, it will erupt, outbreak at the same time, Xu Xi's stubborn illness thoroughly cured. Now Tang Yu can see clearly in his mind.

It's indeed a medicine...