Couples' personalities converge over time to make partners more and more similar.
235
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
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
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
You burn 26 calories in a one minute kiss.
605
Parents receive 1 out of every 5 Valentines.
20