In addition to proper nutrition, exercise, blood glucose testing, and support systems, I believe a postive attitude and humor are important to fighting and defeating a disease like diabetes.
The following are some video clips from diabetes lectures and medical conferences that my dad (DeWayne McCulley) spoke:
http://www.youtube.com/watch?v=fjOqmcrr-R0
My dad overcame "the D's": disease, drugs, and doctors. :-)