I am personally a fan of cold turkey. Given the addictive quality of the food you are attempting to avoid, it makes sense to not "open the flood gates". I feel the biggest way to stop and to not repeat for me is to understand the guilt I will feel. My body feels different and I know it. I have gotten physically ill at times. I have a friend who has been primal for seven years and she said about the same thing. She'd rather not feel guilty. A good note though to make is that occasional slip ups are normal. I have struggled through 6 months of carb breakdowns to be able to associate the guilt with the action. So, keep trying and forgive yourself as quickly as possible. However, get back on track as soon as possible. The effort is what will get the results.