Hi, I am new at being a diabetic. I am on Metformin 1000 mg. 2x a day. Still having fasting bs above 100 but today it was only 108 I was happy. Then I walked for 40 minutes,cleaned house and ate lunch , 2 hours after lunch it is up to 132, I do not understand. The doctor wants it to be around 100 or less. I just started…