Kissing an infection-free partner is good for your teeth!
141
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
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
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4