Most people will change jobs five to ten times during their careers, and some even more often, depending on their skills and where the economy is headed at the time. Whether you are choosing to leave your employer (due to overwork, politics, bureaucracy, or boredom), or have been asked to leave (due to being fired or laid off), you will probably be looking for work several times during your career. So, what do you say to get a job you want or need?...