From handing over credit cards to pouring drinks, Koreans often use two hands in everyday situations. This small gesture reflects Korea’s deep-rooted culture of respect, Confucian values, and nonverbal communication.

When I asked my American husband what his blood type was, he casually replied, “I don’t know.” As a Korean, I was genuinely shocked. In Korea, knowing your blood type is incredibly common and even tied to personality stereotypes, while many Americans rarely think about it outside of medical situations.