One time when I was very young, I was already such a tech-nerd that I chose to attack my father with a magnet, intended to damage his wristwatch. I was calmly

One time when I was very young, I was already such a tech-nerd that I chose to attack my father with a magnet, intended to damage his wristwatch. I was calmly informed that he'd already selected a watch that was immune to magnetic fields. But of course that was a real danger to old-fashioned movements which had many ferrous parts that relied on not sticking together. I never lived it down. Some of our childish rebellions are ridiculous in retrospect!