This might make your bowels gurgle, but I’ll say it.   Imagine eating the same one dish for breakfast, eleven o’clock snack, lunch, tea and dinner your whole working life.   Something a hyper-ordinary. No spice, pepper or joy. Meat and potato pie without the meat or the pie. Roasted toast. A pastel hue of pasta sauce. Celery with celery-salted celery chips and celery salad on the side. You’ll know a few more. You might have had them at school or borstal.   Think what it’d do for the digestion. The first few weeks might be fine. Then you’d be…