Does anyone remember the "fad" that came out a few years back, where you would get this "pet" that you had to take care of in the form of a keychain sized electronic gadget? You would have to feed it, water it, exercise it etc....
Here's something that might be of interest to you....
http://nobelprize.org/educational_ga...e/insulin.html
It's the same idea, except you have to give your diabetic dog (which you name yourself) insulin, walks, buy "treats", and so on. I suppose it would be a good teaching tool for youngsters.
Apparently, once you start, you've got to keep it up...