A less offensive way to think of it: It's a college - you spend 2-3-4 years, learn all you can and then graduate to better things in life. The only way you can

A less offensive way to think of it: It's a college - you spend 2-3-4 years, learn all you can and then graduate to better things in life. The only way you can stay here is by becoming a TA or a prof, but that'd be an entirely different job, and most people don't want that.