Men who kiss their wives in the morning live five years longer than those who don't.
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Wearing red increases attraction.
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In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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One in five long-term love relationships began with one or both partners being involved with others.
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