A person I love must eat gluten-free because she has celiac disease. We’ve learned how to take great care in preparing meals when she visits to prevent even the smallest amount of gluten from entering her body. This requires knowing how to avoid “cross contamination”—inadvertent gluten in a meal from careless practices. I began wondering recently about putting my mind on a glutton-free diet. I wonder what it would be like to live for a day, a week, a month, or a lifetime with