In an interview for the film The Man Who Saved the World, Petrov says, “All that happened didn’t matter to me—it was my job. I was simply doing my job, and I was the right person at the right time, that’s all. My late wife for 10 years knew nothing about it. ‘So what did you do?’ she asked me. ‘Nothing. I did nothing.’”
If you absolutely need to have a bit of nuclear nightmare fuel: https://en.wikipedia.org/wiki/Nuclear_close_calls
Makes me almost believe that somebody’s watching over us.