Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
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
Wearing red increases attraction.
30
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
41
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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