Every writers worst nightmare. Losing what you have written. All that hard work, wiped out in one delete, or virus, or whatever. You can't even contemplate the blow this is to someone who writes for the various reasons we all do. It is like someone smothered your newborn with a pillow while you will sleeping peacefully in the next room.
I have had it happen before, as we all have. I now take great precautions to protect myself against it. But like driving carefully, or eating well, or making sure you take the safest course of action, it will still happen. Shit happens in life.
Humans make errors. Human error is not something you can protect yourself against. Nor should you. We aren't robots, nor would most of us ever want to be. If there were no setbacks, or personal weaknesses, then there wouldn't be much point in living. We find joy in comparison to sorrow. The highs wouldn't be as high if the lows didn't exist. It all comes with the territory.
I deleted a very good piece of writing by accident. I didn't even know I'd done it until later when I went back to edit it and realized a large chunk was missing.
I lost my concentration for mere seconds, but that was all it took.
At first of course I scrambled. Did I have a copy somewhere else? I probably did. I looked. I could not find any. I had a backup copy, but I had deleted that as well, as I always do once I copy it to the master which I send out to the masses in my blog.
I still had a decent portion left, just not all of it, and certainly not the very good parts which I had just written a few hours earlier. It was fresh enough that I could still remember what I wanted to say, just not to recreate how I said it. That was lost, for good.