Couples' personalities converge over time to make partners more and more similar.
235
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
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
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Men who kiss their wives in the morning live five years longer than those who don't.
1k
In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
44
Parents receive 1 out of every 5 Valentines.
20
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104