Sir Rod Stewart is taking a brief break from the stage after an unexpected health issue forced the 81-year-old rock legend to postpone two stops on his One Last Time tour. Stewart hasn't shared exactly what the procedure was, but his team has emphasized that it was considered minor. RELATED: Rod Stewart Fixes Potholes Near His Home In England Because His Ferrari Can’t Handle the BumpsUnfortunately, this isn't the first time health concerns have interrupted Stewart's touring schedule this year. Rod Stewart is still putting on full concerts, strutting around in tight pants and maintaining hair with its own structural engineering requirements. Because apparently his tour is called One Last Time, but Rod Stewart's been in show business long enough that we're not entirely convinced he knows how to retire.