If, as he said a few years ago, the only reading Andy Murray has done since school were a couple of Harry Potter books he will be familiar with the concept of a wizard living among less-blessed mortals known as Muggles.
He made the wholly correct decision to withdraw from the Rome Masters to ensure he is fresh and fit for the French Open in days’ time because gathering exhaustion was the collateral price the Scot has paid for an unprecedented run of success in a short space of time on clay. Yet there will be people in tennis who might think they are being treated as, well, Muggles.