but you should know , lessie , that this place didnt only teach them the obvious skills of their trade , but also things like , how to spot and avoid bad and dangerous men , how to avoid and escape pimps , how to hide weapons on your person and in your room , how to defend yourself , even without weapons , how to avoid sexually transmitted diseases and spells , how to get ( and in many ways provide ) medical treatment , how to organize themselves as a special interest group , how not to get addicted to drugs or luxury or religion , how to avoid infatuation with a client , and how to save up money or valuables so that one day , she could be independent .