Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
When dragonflies mate, their tails form a love heart.
22
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
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
One in five long-term love relationships began with one or both partners being involved with others.
177
Couples' personalities converge over time to make partners more and more similar.
235