'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
40% of people who are rejected in romantic love slip into clinical depression.
72
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Kissing an infection-free partner is good for your teeth!
141