It is a classic question. By most accounts, it does not. What matters, when it comes to satisfaction of the partner, is all the other stuff, and there is so much other stuff when it comes to sex. That might be much better a topic for men to think about. That said, it is an interesting fact that most men have not as much to worry about when it comes to size. Just that they have reference points derived from exaggerated accounts of other men. So, in this quick quiz you can find out how big you are, indexed to other men, on the basis of a scientific study.