In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
40% of people who are rejected in romantic love slip into clinical depression.
72
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Couples' personalities converge over time to make partners more and more similar.
235