There’s an unwritten etiquette with automobiles: If you aren’t the driver, don’t touch anything

If I had to identify the moment when I knew something was wrong, I’d say it was the jarring thud. Jarring thuds are never good, but they are especially not good when they are made by your head. In this case, the jarring thud had been caused by my younger sister who, for some mysterious unfathomable reason, had decided it would be a good idea to celebrate Sunday lunch with our mother by manually closing the lid of my car’s trunk on my head.