In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Speed dating was invented by a Rabbi in 1999.
45
Historically, sweat has been an active ingredient in perfume and love potions.
309
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
40% of people who are rejected in romantic love slip into clinical depression.
72
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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