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
15 percent of Americans secretly bite their toes.
57
On average, a person will spend about five years eating during his or her lifetime.
90
The average person will go on a date at least 100 times before they finally marry.
33
Americans did not commonly use forks until after the Civil War.
82
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11