It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Speed dating was invented by a Rabbi in 1999.
45
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
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
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
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
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