The second day after Jiang Rui found out that the medicine was produced, he invited Jiang Qianren to his house.

"It is just like this. It can easily cause a headache if you're not hypnotized." Jiang Rui told him about the possible side effects and said, "It's up to you!"

Jiang Qianren thought for a second and asked Chen Chen, "Will the headache last forever?"

"No. It will only last for some time." Chen Chen made a guarantee. "A year, at most." ...