There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
The left ear is more responsive to words of love and emotion whispered into it than the right.
44
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
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
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
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
Historically, sweat has been an active ingredient in perfume and love potions.
309
The average person will go on a date at least 100 times before they finally marry.
33