In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
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 will go on a date at least 100 times before they finally marry.
33
Historically, sweat has been an active ingredient in perfume and love potions.
309
Couples' personalities converge over time to make partners more and more similar.
235
40% of people who are rejected in romantic love slip into clinical depression.
72
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103