A 101-year-old woman, who describes herself as a 'night owl', has shared her secret to a long life. Jiang Yueqin, who still boasts a full set of teeth, says she spends much of her time doing what many of us would consider to be bad habits. The mum-of-seven has two main meals a day, but isn't shy about having a midnight snack if she's peckish. She often stays awake until around 2am watching TV, and feels no guilt in tucking into crisps while doing so. Her morning routine includes savouring a cup