I will relate an experience that I had many years ago when I was a programmer. During that time, I wanted to improve my ability to write very good software. One day I came across a program that I read through. The more I read it, the more I became impressed. The skill demonstrated by the programmer is where I wanted to be. I was very impressed. So I looked at the beginning where I may find the programmers name. It turned out to be my own. I sat there with my mouth open thinking this was a Twilight Zone moment. I did not remember at all that I had written such a program. Even afterwards, I was finding it difficult to believe. From time to time, I go through periods of not remembering what I have done. Fortunately this does not happen often.