Why do we kiss?
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Dr. Mehmet Oz answered:Since there's no reproductive value in kissing, it makes you wonder why kissing evolved. The purpose of kissing is actually to show trust, since you're exposing the most vulnerable part of your body - your lips and tongue (if you're aggressive) - to another person. Kissing feels so good because your lips have the highest number of nerve endings of any body part besides your genitals.
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Since there's no reproductive value in kissing, it makes you wonder why kissing evolved. The purpose of kissing is actually to show trust, since you're exposing the most vulnerable part of your body - your lips and tongue (if you're aggressive) - to... More
