8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
The average person will go on a date at least 100 times before they finally marry.
33
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
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
Men who kiss their wives in the morning live five years longer than those who don't.
1k
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