I'm a firm believer in moderation. Get too rigid, deny yourself too much, and it backfires. I also believe he'll go right back to the raw way as soon as the holiday ends. Especially since he knows he'll get another break next month.
Besides, I'm bringing two raw dishes to Thanksgiving dinner - a green bean vinaigrette and Arugula Cumin Salad. So, everyone will get a few enzymes to help the turkey go down.