Advice is offered on how doctors and surgeons should avoid his mistakes, especially regarding communication and empathy, which he believes, like exercise, is hard work. But the book is far more than a 'how to' manual. It is a beautifully written collection of memories, thoughts and life lessons encompassing marriage and break-ups, a fear of dementia and climate change, an obsession with woodwork, and a compulsion for making things, despite constructing roofs that always leak.