A 99-year-old fitness instructor who lives on lettuce, a daily brandy and a weekly shower has been teaching classes for 70 years. Minnie Solomons, 99, has been teaching keep fit classes since she was 30 and shows no sign of slowing down - even after having a hip operation. Granddaughter Naomi Lyons, 57, said: "She doesn't realise how unique she is. She can't quite do what she used to do but she has this incredible way of thinking. "Sometimes I think she's barking mad, but most of the time I think fair play. "She's been doing keep fit since I was a teenager.