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
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Wearing red increases attraction.
30
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
One in five long-term love relationships began with one or both partners being involved with others.
177
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14