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
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Wearing red increases attraction.
30
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
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