A romantic kiss is one of the most anticipated and exciting experiences of life, and Mother Nature made it that way. According to a Scientific American article, lips are “densely populated with sensory neurons,” and “when we kiss, these neurons, along with those in the tongue and mouth, rocket messages to the brain and body, setting off delightful sensations, intense emotions and delicious physical reactions.”
In some cultures, kissing is such an important aspect of courtship that it can determine whether or not two lovers will stay together.
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