Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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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.
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