Hello Chappers,
Welcome to the forum.
I doubt that there are many people who don't get thrown when diagnosed. However, the trick is to learn about the condition, understand what you can do to deal with it and then put it into practice!
There are loads of resources out there to help you (my particular favourite is the NHS run Diabetes X-Pert course which runs for one afternoon a week for six weeks --> check with your GP and see whether you can get on it, I'm sure that it'll help answer many of your questions).
Best wishes,
Andy 🙂