'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
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
You burn 26 calories in a one minute kiss.
605
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Speed dating was invented by a Rabbi in 1999.
45
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
464