Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Couples' personalities converge over time to make partners more and more similar.
235
Two in five people in the world marry their first love.
270
Parents receive 1 out of every 5 Valentines.
20
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
When dragonflies mate, their tails form a love heart.
22
Historically, sweat has been an active ingredient in perfume and love potions.
309
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14