This week's Mr. Perfect Blog is written by David Graham. Depending on how you count it, Dave is embarking on his 3rd or 4th career. After completing postgraduate research in mathematics he spent the next decade working for Defence, which included deployments to Afghanistan and the Middle East. He’s now working as a junior doctor, is actively publishing research in medical journals, and loving life as a first time Dad with another on the way.   We all have them. Your smartphone crashes intermittently, throwing your life into disarray. Your area blacks out during a heatwave, causing your air conditioner to shut down and your Netflix viewing to stop. “First world problems” are important in their own small way. But...