The plucky pensioner, who celebrates her birthday tomorrow, has no regrets about living a life of abstinence and in fact believes it has made her physically and mentally strong.
Miss Blyth's niece, Sheena Campbell, who visits her aunt a couple of times a week, said they would mark the day with a cake, champagne and a reminisce about the past.
She said: "Isa is an amazing character and you wouldn't believe she was 106.
"She says that she has never felt the need for a romance and has never had time for a man. She had a high-powered job as a private secretary with North British Distilleries, which meant she was always busy.
This reminds me of an old joke in which the punch line reads, "Why would you want to?" Link -via Arbroath