Two in five people in the world marry their first love.
270
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Raj from the Big Bang Theory is married to Miss India.
11
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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
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".
634
Sea otters hold hands while sleeping so they don’t drift away from each other.
104