This is where Martin Freeman nails the character of Watson where some many other have missed the target. He IS a soldier. He IS a doctor. But he also types with one finger. He's incredible, but he's also just one of the boys.
'How We Know that John's Middle Initial Stands for Hamish Even Though He Hates It and Won't Tell Us' by Dorothy Sayers. ... The real title of this article is 'Dr. Watson's Christian Name' - a Sherlockian analysis (of John's name) written back in the early part of the twentieth century.