Here’s how the story goes: you wake up feeling pretty good. You look in the mirror and you like what you see. You have been eating well and exercising regularly for a while now, and you’re really proud of the results. Your eyes are sparkling, your skin is toned and bright and you feel fitter and healthier that you have felt in a very long time.

I was having a conversation with a good friend of mine who is losing weight and eating an exceptionally healthy diet. She was telling me that she was off to one of her favourite restaurants that night for a well-earned ‘cheat night’.