Her numbers are creeping up. High enough to the level where I think she needs insulin again. Her coat is feeling dry again and she is losing weight. Her eating is OK now that we have a new morning routine where she can eat her wet food undisturbed for two hours. She's never adapted well to fixed meals. She seemed to have a cold last week and didn't eat much for a day or so and lost weight. She's down from around 9 lbs to 8 lbs. I don't have accurate weight, but she's feeling skinny. I don't see signs of excessive drinking and urinating. I still have prozinc in the fridge, but it is now four months old. I don't know what the risks are trying to use old prozinc. Chewy is always fast with delivery What do the experts think?