Couples' personalities converge over time to make partners more and more similar.
235
Men fall in love faster than women do.
32
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Parents receive 1 out of every 5 Valentines.
20
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
-2
One in five long-term love relationships began with one or both partners being involved with others.
177
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26