In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
Historically, sweat has been an active ingredient in perfume and love potions.
309
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
Men who kiss their wives in the morning live five years longer than those who don't.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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The single biggest predictor of love is proximity.
30
Couples' personalities converge over time to make partners more and more similar.
235