40% of people who are rejected in romantic love slip into clinical depression.
72
You burn 26 calories in a one minute kiss.
605
Raj from the Big Bang Theory is married to Miss India.
11
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
'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
One in five long-term love relationships began with one or both partners being involved with others.
177