Kissing an infection-free partner is good for your teeth!
141
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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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
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
When dragonflies mate, their tails form a love heart.
22
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
One in five long-term love relationships began with one or both partners being involved with others.
177
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69