Parents receive 1 out of every 5 Valentines.
20
Speed dating was invented by a Rabbi in 1999.
45
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Raj from the Big Bang Theory is married to Miss India.
11
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