At some point in your life, you may have concluded that "strippers are great in bed," or that "models don't know how to have sex." Realistically, such stereotypes are ridiculous because, first, you haven't slept with every stripper on earth to come to such a conclusion, and second, models have no genitalia.
I kid, I kid.
Nevertheless, these generalizations that you create stem from somewhere, and while you are free to think them, I am here today to take an educated guess as to why you think such things and to help you shed these beliefs. Let's see if I'm successful.
Women with tattoos/body piercings
What you're probably thinking:
They must be wild in bed. If they're prepared to mutilate their bodies, then surely they want me to be aggressive with them sexually.
Why you likely think it:
See, the thing is, oftentimes when you watch porn or go to strip joints, many of the chicks involved in the action don tattoos and piercings. Now, not all of them do, but nevertheless, the association is that women who have tattoos and piercings love sex and being sexual. As well, you might think that women who get piercings and tattoos enjoy pain to some degree, and therefore would love nothing more than to have rough sex (and to have it often) to get that same sensation they experienced when placing the art on their bodies.
Boom goes the stereotype:
