Two in five people in the world marry their first love.
270
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
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
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Couples' personalities converge over time to make partners more and more similar.
235
