“Overpay and undercriticise,” says Helen Gurley Brown, editor-in-chief of Cosmopolitan magazine for 32 years, on how to keep good domestic staff once you get them. Afterall, they take a great burden off you especially if you’re a working mum; they keep your house tidy, help care for your kids, assist in keeping every mouth fed and clothes properly laundered, and may even handle your shopping, thus freeing you to be a better professional, wife and mother. So, how do you keep a good one?