Guys

Reality: We've been conditioned to think that if a guy can't go on almost endlessly, he's somehow unmanly--or his lover will end up unsatisfied. In fact, while reports vary, most surveys have found that the averagesession of sexual intercourse lasts from three to 10 minutes--anything beyond that is gravy. And since, as mentioned above, most women won't achieve orgasm through intercourse, "you're going to want to round out your sexual sessions with other techniques anyway," Stein says.

You've heard of varicose veins - those swollen veins that sometimes show up in the legs. You've probably heard your grandma and her old lady friends talking about their varicose veins and never thought twice about them.