In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Parents receive 1 out of every 5 Valentines.
20
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!)
278
Speed dating was invented by a Rabbi in 1999.
45
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34