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 left ear is more responsive to words of love and emotion whispered into it than the right.
40
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
Kissing an infection-free partner is good for your teeth!
141
Two in five people in the world marry their first love.
270
The average person will go on a date at least 100 times before they finally marry.
33
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12