Angela,
My son was diagnosed at the age of 3. He is 5 now. I understand your frustration with giving such small doses of insulin (and how it’s almost impossible).
We started Riley on an insulin pump 5 months after he was diagnosed. It is the best thing we have ever done. It makes those little tiny doses not only possible, but also accurate.
If you ever want to chat or have any questions feel free to email me. (pennylane5001@mchsi.com)