Sea otters hold hands while sleeping so they don’t drift away from each other.
104
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
Parents receive 1 out of every 5 Valentines.
20
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
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
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130