Couples' personalities converge over time to make partners more and more similar.
235
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
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
Historically, sweat has been an active ingredient in perfume and love potions.
309
One in five long-term love relationships began with one or both partners being involved with others.
177
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