'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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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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Wearing red increases attraction.
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Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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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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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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