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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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Historically, sweat has been an active ingredient in perfume and love potions.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
44
Wearing red increases attraction.
30
40% of people who are rejected in romantic love slip into clinical depression.
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'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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