Evan,
Thank you so much for posting!
I am still trying to figure out whether I will be able to get rid of mine merely by diet. I am at the stage of just realizing that nightshades could be the devil, as well as the starches. Still my usual pain after 5 day since the last tomatoe, and suspecting I might have to take more drastic measures soon.
The thing I really wonder when I read about your fast is: Does one really need a doctor for this, or is it enought just to have a friend there to keep an eye on you? If you know how to break the fast too, copying your model, anyone should be able to do it without paying to be stay at a health center.
/Loha