A former royal aide has given a moving insight into the effect the Princess of Wales ’ cancer diagnosis had on her beloved husband. In a rare television interview last week, Jason Knauf, a close confidant of the Prince of Wales, revealed it was “the lowest” he’d ever seen William following the devastating news that rocked the couple’s world . Kate has spoken about what a tough time it was for her family and how “life as you know it can change in an instant”, as OK! reports. And Jason has now