Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Speed dating was invented by a Rabbi in 1999.
45
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
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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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Raj from the Big Bang Theory is married to Miss India.
11
Men fall in love faster than women do.
32