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Affairs of the Lips: Why We Kiss
" * A kiss triggers a cascade of neural messages and chemicals that transmit tactile sensations, sexual excitement, feelings of closeness, motivation and even euphoria.
* Kisses can convey important information about the status and future of a relationship. At the extreme, a bad first kiss can abruptly curtail a couple’s future.
* Kissing may have evolved from primate mothers’ practice of chewing food for their young and then feeding them mouth-to-mouth. Some scientists theorize that kissing is crucial to the evolutionary process of mate selection.
Affairs of the Lips: Why We Kiss: Scientific American
" * A kiss triggers a cascade of neural messages and chemicals that transmit tactile sensations, sexual excitement, feelings of closeness, motivation and even euphoria.
* Kisses can convey important information about the status and future of a relationship. At the extreme, a bad first kiss can abruptly curtail a couple’s future.
* Kissing may have evolved from primate mothers’ practice of chewing food for their young and then feeding them mouth-to-mouth. Some scientists theorize that kissing is crucial to the evolutionary process of mate selection.
Affairs of the Lips: Why We Kiss: Scientific American