Couples' personalities converge over time to make partners more and more similar.
235
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
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Historically, sweat has been an active ingredient in perfume and love potions.
309