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 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
Couples' personalities converge over time to make partners more and more similar.
235
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
Wearing red increases attraction.
30
40% of people who are rejected in romantic love slip into clinical depression.
72
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