In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Men fall in love faster than women do.
32
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
40% of people who are rejected in romantic love slip into clinical depression.
72