In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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40% of people who are rejected in romantic love slip into clinical depression.
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Kissing an infection-free partner is good for your teeth!
141
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Parents receive 1 out of every 5 Valentines.
20
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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