She was full of confidence and was not afraid of him asking further questions. She continued in a neutral tone, "I already had an idea when I was studying in Teacher Liang's laboratory. This time, I perfected the previous idea after a month of seclusion at the Pharmacy Association. You're looking at the prescription I wrote. Brother, if you don't believe me, I can take the medicine I gave Grandpa for a test to see if it's the same."
What she said was reasonable, and she had the prescription as evidence.
Jiang Yao couldn't make up his mind for a moment. He frowned and pursed his thin lips tightly. He looked up at her suspiciously. "But you never told me that you knew how to do this—"
