When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Parents receive 1 out of every 5 Valentines.
20
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27