Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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40% of people who are rejected in romantic love slip into clinical depression.
72
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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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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You burn 26 calories in a one minute kiss.
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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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