12. It Allows for a Longer Career – Being a registered nurse means that you have to work in practical settings such as hospital wards and other health care situations. This involves long hours of standing on your feet and many RNs develop a number of back and leg problems and find it increasingly difficult to hold on to their career as they age. By obtaining a MSN degree, however, you would be able to move to a more administrative role as you get older, which means you can continue to work in the field of nursing for a longer time.