'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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A man's beard grows fastest when he anticipates sex.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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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.
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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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Two in five people in the world marry their first love.
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