In Japan the listeners sometimes close their eyes to show respect for the speaker's ideas.
Eye contact is considered aggressive in Japan. People will look away if you look them in the eye. It's considered unfriendly or intrusive to make direct eye contact. Brief eye contact is acceptable, but you should look elsewhere for the most of the talk.
The act of closing eyes when someone is sharing one's ideas is considered as paying reverence.
Since, maintaining an eye contact is considered aggressive in Japan, to demonstrate their regard and respect for the speaker's ideas, Japanese listeners occasionally close their eyes.
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