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I can't really answer that, but I do know a while ago she was told she was pre diabetic??? and although she used sweeteners in her coffee, she stopped that and she said she doesn't eat chocolate because it gives her reflux.
Whenever I have a coffee at her house, she never offers me a biscuit, so I assumed she doesn't buy them.
I know she was very concerned about getting diabetes, so assumed she would be eating sugary snacks.