You are a nut! Woogedy boogedy rbrbrbrbrbrbvrrvrvrvrvrvr woop woop woop woop woopidty grrgrgrmr ahhhhhhhhhhhhhhhhhhhhhhhhh!
Your doctor is dumb. durrr uuhhh? duuurrr what? hmm? hrmf? I have "hypoglycaemia" according to doctors but my blood sugar is just low. My free fatty acids are high, I am running of fat and so were you. Get him to test that next time.
And if you do end up carbing it up again, what's wrong with sweet potatoes? You do not need grains, ever ever ever
Do look into fixing your insulin issues, though. Reducing inflammation, getting enough nutrients etc.