When dragonflies mate, their tails form a love heart.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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40% of people who are rejected in romantic love slip into clinical depression.
72
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
A man's beard grows fastest when he anticipates sex.
239
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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