'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
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
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
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
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
You burn 26 calories in a one minute kiss.
605