40% of people who are rejected in romantic love slip into clinical depression.
72
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Speed dating was invented by a Rabbi in 1999.
45
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Wearing red increases attraction.
30
Couples' personalities converge over time to make partners more and more similar.
235
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88