Its very treatable,.... our Dobie had it. Two shots a day and you brig them in periodically to check their sugar so the insulin can be regulated and or adjusted. Don't sweat it friend.[/QUOTE
Agree....
My lit'l 4 year old Dashund is diabetic. Just call me Dr. WuzzFuzz.

... I'm really pretty good at giving her, her insulin shots. She has never turned around and bit me...not once...

..You can get insulin and needles at Wally World.
A few times of having her blood sugar checked, and now we pretty much have her insulin amount regulated...Her weight is pretty constant now.
Feed her the prescribed diet food, I do buy her some stew meat, and skinless chicken, then into little itty bitty pieces mixed in with her diet food in at least one of her meals of the day. One time it will be cooked stew meat, in her food, next time it might be some pieces of the skinless chicken. (Definitely no hamburger...too fatty/greasy) She gets a couple of big spoonfuls of plain oatmeal for something different on Saturdays to supplement her breakfast. A plain scrambled egg, sometimes on Sunday mornings, with her diet food.
I make my own peanut butter..Put plain peanuts in the blender and have at it...No sugar in mine!!!! She likes that in a little amount I give her as a treat. or one of those baby carrots. She likes those too.
But as far as her otherwise...She's just a active little girl..of 4 years old.
Their amount of water intake and peeing will pretty much tell you when you get things regulated.
Just work with your vet....You'll do fine with your dog. (They're worth spoiling...I know I do mine)
WuzzFuzz