Rewind
You must remember the rewind button that was a feature of those old VHS machines. With the tape cassette inside, simply by pressing the rewind button you could power back through the videotape to get back to where you wanted to be. I have often thought how splendid it might be if we had rewind buttons for life itself. Most certainly, I would have used my button for a good number of things. Take road accidents for example. In my life, I have been involved in five minor collisions and one nightmarish incident where the car I was travelling in turned over at a bend on a country lane in Perthshire, Scotland. This was at two thirty in the morning. How I clambered out of that car unscathed I shall never know. With a rewind button I could have erased the minor collisions and saved myself a lot of connected hassle and the scary incident in Perthshire would never have occurred. Looking back, we all say stupid or regrettable things - especially when we are young...