When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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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
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Kissing an infection-free partner is good for your teeth!
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According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
When dragonflies mate, their tails form a love heart.
22
The typical person spends about 600 hours having sex between the ages of 20 and 70.
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