Princess Anne has earned herself a few titles over the years, one being the hardest working royal and another, the most down-to-earth royal, so it was perhaps no surprise to find out she was teetotal and enjoyed a limited diet of basic foods.  The 75-year-old attended a whopping 478 royal engagements last year, increasing her workload from previous years. Her work ethic and habits are something she seemingly inherited from her late mother, Queen Elizabeth II and her late father, Prince Phillip.  Anne was the former monarch’s middle child, alongside Andrew Mountbatten-Windsor, while King Charles was the eldest and Prince Edward was the youngest of the four royal children.  She shares a trait with her disgraced brother, the former prince Andrew, 66, in that both are teetotal, a tendency believed to have resulted from their late parents’ “self-restraint”.  “Again, though, both of them exercised a steely self-restraint. It was something which they passed on to all of their children, all of whom eat sparingly, while the middle two are also teetotal,” British journalist, author, and documentary filmmaker, …