Kiss or smooch is the way people choose to express their feeling to others. When people kiss they usually close their eyes and the reason behind it was unknown till now.
But,after long research, psychologists has finally found a valid reason of it. According to them, closing the eyes helps brain in concentrating on kiss. They also said that it is not possible for brain to focus on any other sensory action while kissing.
Here are few more theories by the researchers...
1. Normal human eye can see things between 25 cm to infinity. Thus, it is difficult to look at your partner.
2. Individual might not want to see themselves while kissing.
3. Open eyes can distract the kisser.
4. It may happen that your partner nose can look bigger in closeup.
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