You burn 26 calories in a one minute kiss.
605
Wearing red increases attraction.
30
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
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