My 20 year old DSH neutered male Java, who is a terrific cat, was diagnosed in early Oct. I have four months of data on notebook paper - date, time, BG, dose, notes, and vitamins. Java ended up in the vet emergency room for 36 hrs. with a BG of 36 after the first two days of his vet-prescribed insulin regimen back in Oct. I've been tracking everything ever since, but I don't feel like I have a handle on any of it, not really. I was at his vet for the 4th or 5th time yesterday asking for help. I came home not feeling like I'd gotten any and started Googling. I could kick myself for not doing this back in Oct. because I found this website right away. I'm trying to work with your spreadsheet template, since I have 4 months of data. I didn't know that I should do a proper glucose curve, though I probably could produce several from historical data, and am tracking Java closely today. He's very reactive, too many spikes high, and drops low, possibly/probably because I'm only dosing when he goes high? I look forward to learning more here and getting a better handle on it. My name's Lois.