Tip # 3: "Why we're not the only ones in the relationship with nipples"
In the very first stages of life, every fetus starts out as a female. "Males only become males with
the addition of greater amounts of testosterone, which suppresses the development of female sex organs,"
says Sandor Gardos, licensed sex therapist and founder of mypleasure.com.
Tip # 5: "Why their balls get blue"
You've no doubt heard a guy complain of having "blue balls" after a night of frantic groping that
didn't go all the way. He wasn't kidding. "It's possible for the scrotum to appear slightly blueish
if a man has been aroused for a very long period of time," Gardos says. During arousal, blood fills
the entire genital area and stays there for as long as a person remains turned on. The longer it's
there, the less oxygen it has, and blood with less oxygen is more blue than red. The result: azure-tinted
testicles.
Tip # 6: "Why he wakes up with a woodie"
There it is again, all up-and-at-'em at 7AM. It's a wonder you bother using an alarm clock. "Men tend
to awake with an erection in the morning because that's when their testosterone level peaks," Gardos says.
Tip # 14: "What our bodies have in common with the liver of a shark"
Let's discuss vaginal lubrication for a moment, shall we? Turns out it's comprised of a daunting list of
ingredients, from water and lactic acid to squalene, which can also be found in sharks' livers. "Each
component contributes to maintaining the delicate balance between yeast and bacteria inside the vagina,"
Gardos says.
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