We all have a distinct memory of Robin Williams. In his long-spanning career, he touched lives, young and old. Had he died of cancer, a heart attack or Parkinson’s disease with which he had recently been diagnosed, it would still have been tragic. However, he died in a personal and more painful way. We’re not used to talking about this disease. This disease doesn’t manifest itself in the usual way. His hair wasn’t falling out. He hadn’t lost weight. There were no signs – as far as the general public was concerned. Or, were there?