There has been a lot of talk at the Fringe this year about comedians mining their own trauma for material. It used to be dead dad shows, but that has now been overtaken by shows more specifially about mental health, ADHD and autism. So it's refreshing to see a show that is incredibly funny about something incredibly trivial. In the case of Eric Rushton, it's a show about an email that was written in the heat of the moment that spiralled out of control. A bit.