Nicki Minaj has a precise goal in mind and a tight game plan to get there: the New York rapper wants to earn five hundred million dollars and leave a permanent mark on the world of music. All within four years. After which, she will retreat and become a full-time mother. "I gave myself a time limit to reach my professional goals", says the 32 year-old singer on the telephone from her home in Los Angeles. "I don’t want to work my whole life without ever experiencing the joys of a family".