I understand your problem. I went through this years ago. It is a lot to take in all at once. Take one thing at a time and you will learn this in no time. Self education is very important to your diabetes care. Testing frequently is also very important. Here are two websites that will help you:
one and
two. Remember that carb counting works and try to find a endocrinologist, dietitian, and a diabetes educator that are willing to work with you as your "diabetes team". Good luck.
