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This is your brain on love: The Science of Love Quiz
by Staff
Forget about hearts and flowers and poetry. Love is all in your head -- your brain actually. So let's strip out the romance and get down to the neurochemicals and physiology that release a swarm of butterflies when encountering a new crush.

How many sperm will make it all the way to a woman's egg?

  • A few dozen
  • 1,000
  • 150 million

What percentage of adult women have never experienced an orgasm?

  • 15 percent
  • 25 percent
  • 45 percent

The gene variation allele 334 is linked to what behavior?

  • inability to have an orgasm
  • infidelity
  • bisexuality

What percent of men have a favorable view of vibrators in the bedroom?

  • 30 percent
  • 50 percent
  • 70 percent

People exchange what arousal-stimulating hormone when they kiss?

  • oxytocin
  • dopamine
  • testosterone

Which of the following neurochemicals isn't as active during early phases of romance?

  • dopamine
  • serotonin
  • oxytocin

The clitoris contains how many nerve endings?

  • 500
  • 2,000
  • 8,000

Which bonding chemical is released in the female brain during an orgasm?

  • estrogen
  • oxytocin
  • vasopressin

What percentage of mammals practices monogomy?

  • 3 percent
  • 10 percent
  • 30 percent

Who typically says "I love you" first?

  • women
  • men
  • Neither. Men and women initiate "I love you" equally.

True or false: Most adulterous men didn't anticipate cheating on their partners.

  • true
  • false

Which of the following is NOT a physical sign of attraction?

  • flushed cheeks
  • sweating palms
  • constricted pupils

According to a 1996 study from Pennsylvania State University, women expect to wait how many dates before having sex with a new partner?

  • 4
  • 8
  • 12

Approximately what percent of the population is asexual?

  • 1.5 percent
  • 5 percent
  • 11 percent

True or false: Men think about sex every 7 seconds.

  • true
  • false

What chemical is responsible for making our hearts race when we see someone who tickles our fancy?

  • dopamine
  • norepinephrine
  • adrenaline

True or false: Men with lower voices have more viable sperm.

  • true
  • false

Female ovulation is associated with which of the following?

  • a drop in vocal pitch
  • wearing less makeup
  • infidelity

Which sense might give women the most accurate assessment of a man's genetic fitness?

  • sight
  • smell
  • taste

What chemical is often implicated in satisfying, long-term marriages?

  • dopamine
  • oxytocin
  • vasopressin