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
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
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
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
A man's beard grows fastest when he anticipates sex.
239