Welcome to the Forum!
Take a breath and try not to get discouraged. You didn't do this to yourself, it's just part of our DNA and sadly our previous diets didn't help the cause. Hopefully, your husband will realize this in time. Just remember that you are not alone here, we are all in this together.
Read through the first three threads in the Type 2 Section, when you get a chance, if you have not already done so. These threads will most-likely help you a lot. Self education is one of the keys to successful management of your diabetes, along with a healthy / sensible diet and exercise. Basically, diabetes requires a life-style change for the better. Good luck with your control and management.