When dragonflies mate, their tails form a love heart.
22
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
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
Couples' personalities converge over time to make partners more and more similar.
235
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
464
Two in five people in the world marry their first love.
270
The single biggest predictor of love is proximity.
30