You may say that dissimilarity is in perception and that is partially true. We all have own moral values and principles. But that does not give us right to judge and blame people who do not correspond those values. Escort business and also GIA is not a cover for prostitution. Just few centuries ago maidens who accompanied prosperous men were called courtesans and they were the most influential ladies in that society. They were not only beautiful and had certain experience in intimate matters. They were also intelligent, and had moral qualities and good manners.