Help .My daughter is very confused in carbs counting. Her sugar level was 12 before eating, Weighted 233 grams of cooked spaghetti carbonara. Gave herself 8 units of insulin, hour later she went into a hypo at 3.7 don't understand why. she can't understand why. Her diabetes nurse never answer any questions we have . please help. 4 months in and with no better then the first day of being diagnose. Thank you