Philip, Joe, and Ralph are all members of a billionaires club in their city. They are all in their mid-40s, but with remarkably successful careers. They became billionaires within a very short period of time. Philip, the CEO of his own real estate venture, started out as a dynamic entrepreneur who managed to make huge profits within two years of starting his business venture. He believes in living life luxuriously and lavishly. Joe, the CEO of an event management company, shares the same thought. Joe and Philip splurge on the latest cars and electronic gadgets in the market. They buy designer clothes, shoes, and watches. They party at the best clubs in the city and are known to order customized suits for themselves from someof the best designers around the world. They also have a passion for traveling. They take time off from their work and visit exotic locations around the world, stay in the best hotels, and eat at expensive restaurants. Like Philip and Joe, Ralph, the CEO of a chain of luxury hotels, used to spend a lot of money on luxury items. Nowadays, he is no longer interested in living a lavish life and is rather keen on reducinghis material consumption. He prefers living a simple life with his family and rarely indulges himself like