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.
Counting carbohydrates is important because carbohydrates you eat make your blood sugar levels go up. Eating to many carbohydrates can elevate your blood sugar to dangerously high levels. Eating too few carbohydrates can cause low blood sugar, especially if you are on diabetic medications or insulin. good place to start for most is to consume 45 to 60 grams of carbohydrates per meal. While this is often the recommendation, I myself rarely eat over 15 to 30 carbs per meal. I've been a type 1 diabetes since I was three.