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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
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
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
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
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
Couples' personalities converge over time to make partners more and more similar.
235