Chapter 14

"Huh?" The man cocked an eyebrow. How could Crystal have known he'd bought the wrong medicine without checking his prescription first? "If I'm correct, you purchased a metronidazole spray. But the spray in your bag is one of its variants," Crystal said. The man's interest was piqued by her serious tone, so he checked his purchase. His expression didn't change, but there was something intriguing in his eyes as he gazed at Crystal, as if he were very curious about her. "I did buy the wrong medicine. But I'd still like to know how you figured it out." "It's simple." Crystal smiled upon seeing that she was right. "These two sprays look nearly identical. It's just the label on the metal tube that confuses people. I saw the pharmacist pause slightly while picking out the sprays for you during a phone call, so I paid extra attention to which one he chose." The man thumbed the spray bottle in his hand, his finger tracing the letters on the label. "So you deduced this from the pharmacist'