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
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Speed dating was invented by a Rabbi in 1999.
45
Couples' personalities converge over time to make partners more and more similar.
235
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
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