I questioned her about this and she went on about how it's not normal for us as a species. She said that is not physically or mentally good whatsoever to eat chocolate before going to bed
...I'm sorry but how is that not mentally good for you!
Also 100 years ago we'd have never been able to eat all the foods we eat now and so it's not biologically normal. Even when I mentioned that we live longer than we did 100 years ago she said that's down to medicines and its not actually better to live longer because lots of people past 60 have multiple morbidities
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I did question the research on how it's not biological normal and she rambled on for ages about her dad