Forget about hearts and flowers and poetry. Love is all in your head -- the brain, to be precise. So let's strip the romance out of those lovey dovey feelings and get down to the neurochemicals and physiology that release a swarm of butterflies when encountering a new crush. See how much you really know about all that mushy stuff with the Science of Love Quiz.
Question 1 of 20
How many sperm will make it all the way to a woman's egg?
Question 2 of 20
What percentage of adult women have never experienced an orgasm?
Question 3 of 20
The gene variation allele 334 is linked to what behavior?
Question 4 of 20
What percent of men have a favorable view of vibrators in the bedroom?
Question 5 of 20
People exchange what arousal-stimulating hormone when they kiss?
Question 6 of 20
Which of the following neurochemicals isn't as active during early phases of romance?
Question 7 of 20
The clitoris contains how many nerve endings?
Question 8 of 20
Which bonding chemical is released in the female brain during an orgasm?
Question 9 of 20
What percentage of mammals practices monogomy?
Question 10 of 20
Who typically says "I love you" first?
Question 11 of 20
True or false: Most adulterous men didn't anticipate cheating on their partners.
Question 12 of 20
Which of the following is NOT a physical sign of attraction?
Question 13 of 20
According to a 1996 study from Pennsylvania State University, women expect to wait how many dates before having sex with a new partner?
Question 14 of 20
Approximately what percent of the population is asexual?
Question 15 of 20
True or false: Men think about sex every 7 seconds.
Question 16 of 20
What chemical is responsible for making our hearts race when we see someone who tickles our fancy?
Question 17 of 20
True or false: Men with lower voices have more viable sperm.
Question 18 of 20
Female ovulation is associated with which of the following?
Question 19 of 20
Which sense might give women the most accurate assessment of a man's genetic fitness?
Question 20 of 20