Are there really people that eat the same meal, breakfast/lunch/dinner, for the vast majority of their lives? I don't think anyone would choose that, though I'

Are there really people that eat the same meal, breakfast/lunch/dinner, for the vast majority of their lives? I don't think anyone would choose that, though I'm sure one could do it if the circumstances demanded it, e.g. due to poverty or being Dr. Mark Watney. > If your cat is fine with it How would one know? My cat's options are to: * Eat what's available * Starve