Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
When dragonflies mate, their tails form a love heart.
22
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
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").
-2
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Raj from the Big Bang Theory is married to Miss India.
11