Couples' personalities converge over time to make partners more and more similar.
235
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
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
The average person will go on a date at least 100 times before they finally marry.
33
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
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.
44
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44