Couples' personalities converge over time to make partners more and more similar.
235
Historically, sweat has been an active ingredient in perfume and love potions.
309
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
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
Speed dating was invented by a Rabbi in 1999.
45
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