Cape Town businessman Artur Dias rues the past 15 years.

First the 80-year-old lost his business in Zimbabwe, then childcare expert Marina Petropulos gave him endless sleepless nights.

But in May he heaved a sigh of relief after the Supreme Court of Appeal (SCA) ruled in his favour in a long-running legal spat with the famed baby whisperer and author of the best-selling Baby & Childcare Handbook...