When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
Men who kiss their wives in the morning live five years longer than those who don't.
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
You burn 26 calories in a one minute kiss.
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.