Who could forget the surge of excitement that comes with receiving your very first driver's license. Or that feeling of sheer independence when you finally were able to drive off on your own. The sweet freedom of purchasing your very own car! It wasn't really about the license or the car. It was about the ability to stand on your own two feet; the joy of leaving dependence upon others behind.

When multiple sclerosis strikes, how do we know when to put away our car keys? As we gradually lose our...