In contrast, the stewardess seemed to know more about it. She said, "Sir, are you a doctor of traditional Chinese medicine?"

Qin Haodong said, "Yes, this is acupuncture of traditional Chinese medicine."

Seeing her husband getting better, the middle-aged woman asked, "Sir, what's wrong with my husband?"

Qin Haodong said, "Does your husband have heart disease? He had a heart attack."

The middle-aged woman said, "Yes, he has a heart ...