Iv'e heared that Dirk doesn't eat sugar because he think it's evil and calls it the 'white death'.
The giving up of sugars and meat was an essential part of the diet he went on when he had cancer.
Apparently he has campagined against it and how it causes alot of illness and is addictive etc (he toured US with Gloria Swanson before she died campaigning against it).
If this is all true I can't belive Jo and Jack even considered putting sugar in his Soy Sauce
