One of the characteristics of Arabs is generosity and they usually show it by being courteous with each other. Some of the most important values for Arabs are honor and loyalty. Margaret Nydell, in her book "Understanding Arabs: A Guide for Modern Times' " says that Arabs can be defined as, humanitarian, loyal and polite. Tarek Mahfouz explains in the book "Arab Culture" that it is common for Arabs in dinner situations to insist on guests to eat the last piece of the meal or to fight over who will pay the bill at a restaurant for generosity."