When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
40% of people who are rejected in romantic love slip into clinical depression.
72
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Men who kiss their wives in the morning live five years longer than those who don't.
1k
One in five long-term love relationships began with one or both partners being involved with others.
177
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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14