Andy has sprouted white whiskers, suffers from lower back pain and no longer bounds up the stairs like he used to.
Still, the 11-year-old Siberian husky isn't lying idle: Every week he meets his personal trainer for a run on an underwater treadmill, does laps in a doggy pool to strengthen his hind legs and unwinds with a hot spa and massage session.
The boom in pet ownership in Japan has led to a new phenomenon: legions of elderly animals that doting masters pamper with fortified food and vitamins, aromatherapy and even acupuncture.