Two in five people in the world marry their first love.
270
Wearing red increases attraction.
30
Men fall in love faster than women do.
32
Historically, sweat has been an active ingredient in perfume and love potions.
309
Couples' personalities converge over time to make partners more and more similar.
235
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
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
One in five long-term love relationships began with one or both partners being involved with others.
177