40% of people who are rejected in romantic love slip into clinical depression.
72
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Historically, sweat has been an active ingredient in perfume and love potions.
309
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
A man's beard grows fastest when he anticipates sex.
239
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39