In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Historically, sweat has been an active ingredient in perfume and love potions.
309
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Parents receive 1 out of every 5 Valentines.
20
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13