Welcome to the Forum!
It takes time to get the numbers down. Stay the course. BTW 2 pieces of cheese pizza is about 67 carbs. A lot of people try to not eat more than 30 carbs per meal. Counting carbs works, trust me.
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.