It has been said a long time ago, and most people realize, that men are from Mars and women are from Venus. There are plenty of differences, both psychological and physical, between us. In order to understand each other, it's important to have an open conversation about some topics we may not have a clue about. However, these days, when everything is easily accessible and we can get an instant answer to pretty much any question we can possibly think of close at hand, some lack of basic information about the opposite sex may turn out to be ignorance.