Retiring from sport was the toughest challenge of my sporting career. Here’s how Andy Murray can do it right | Catherine Spencer

I climbed a mountain and took up the French horn. If he can hold on to who he is away from the court, Murray can find joy after tennisCatherine Spencer is a rugby commentator and former England captainWhen you play sport at a high level, that sport is everything you know. It’s what you think of when you go to sleep and what motivates you to jump out of bed in the morning – the lure of the pitch or track or court. So, as an athlete who dedicated much of my life to playing rugby for E