Couples' personalities converge over time to make partners more and more similar.
235
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
The single biggest predictor of love is proximity.
30
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
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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