A man's beard grows fastest when he anticipates sex.
239
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
Wearing red increases attraction.
30
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
Historically, sweat has been an active ingredient in perfume and love potions.
309
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39