The single biggest predictor of love is proximity.
30
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
Couples' personalities converge over time to make partners more and more similar.
235
Two in five people in the world marry their first love.
270
You burn 26 calories in a one minute kiss.
605
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130