Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Wearing red increases attraction.
30
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
The average person will go on a date at least 100 times before they finally marry.
33
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Historically, sweat has been an active ingredient in perfume and love potions.
309
40% of people who are rejected in romantic love slip into clinical depression.
72