He's a colorful, fun guy to work with, and his lectures are very compelling. Now, again, there are people who, medically speaking, need to do this. And there's research which does demonstrate that some people can graze and maintain their weight. Until you brush, of course. If you graze all day, that wear-down is pretty much continuous.
Sticky platelets can lead to clotting and heart attacks.
So you need more insulin. Heart attacks lurk around that corner too. It's a small thing, but every bit helps. Food can become a conflict-resolution tool. People use snacks to get through emotional trauma, then suffer with guilt afterward.