This is what we have to put up with as diabetics. He obviously does NO reading other than that to back up his outdated ideas.......... Stick to what you're doing and tell him to go take a hike. Low carb works and is NOT dangerous. The establishment just love to frighten people. Unfortunately most dieticians just spout the usual 'healthy eating' guidelines, which are anything but. Keep on with the low carb, youre doing fantastically well with it.