My grandmother sent me to the store to buy beef bologna the other day, and I brought back uncured turkey bologna. She said she doesn't like it, but I told her it was much healthier than the beef kind with nitrates in it. I have been trying to get her to eat healthier food, but she eats butter and bacon and white sugar. I can't seem to make her understand how important eating healthy is. She's actually in pretty good shape for her age (she's ninety), and walks around the neighborhood every morning. I can't get her to listen to me. Please help.

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