A cup and coffee A group of highly established alumni got together to visit their old university professor. The conversation among them soon turned into complaints about their stressful work and life. The professor went to his kitchen and returned with a large pot of coffee and an assortment of cups, including porcelain, plastic, glass, crystal, some plain-looking, some expensive and some exquisite. The professor told them to help themselves to the coffee. After all the students had a cup of coffee in their hands, the professor said: “ Did you notice all the nice looking cups are taken and only the plain inexpensive ones are left behind. While it is normal for everyone to want the best for themselves, but that is the source of problems and stress in your life. “ “ The cup itself adds no quality to the coffee. In most of the cases, it’s just more expensive and hides what we drink.”, the professor continued. “What all of you really wa...