'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
Wearing red increases attraction.
30
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Two in five people in the world marry their first love.
270
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
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
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
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69