What upsets people is not things themselves but their judgments about the things.” --- one of those old dead Greeks or Romans..
So is the solution to simply quit thinking about what is right and true. Is it to allow others to live in their delusions? Reality is simple. Why do other chose to live in non-reality?
So it is not my problem. What I eat is my problem. What I do is my problem.
So what we eat controls our hormones, and our hormones control whether food is stored or available for energy, therefore we have quzi-control over how long before we get hungry, or do we. Some people suggest we do, but it is sloppy control.
It is no fun going through life hungry. So what is the solution?