So you don't get the performance from the octane, it comes from the engine, which now requires a harder to ignite fuel. Example: My GTI requires 91. If I use 87, it senses ignition and retards the timing, and that's what makes it slower.
On average females can have 3-4 servings of carbs for each meal, and a serving of carbs in between meals. A serving of carbohydrates is 15 grams of carbs. On average, a male can have 5-6 servings of carbs for each meal and a serving of carb in between each meal. Remember, though, that the type of carb matters to. As a diabetic, you should choose carbs that are whole grains.
It also can give you a good idea on which types of foods you are allowed to eat and which foods will be excluded from your normal diet. This is a good idea of a sample diabetic menu, which includes meals for breakfast, lunch, dinner, and appropriate snacks in a typical day. It is important to remember to drink 16 oz. of water with each meal. A full day should consist of about 1600 calories and 225 grams of carbohydrates.