Sometimes, it's easy to get distracted and make stupid mistakes. You lose focus for just a second, and suboptimal things happen.
Such as the event in the picture above.
Fortunately, some of those mistakes are merely irritating and inconvenient rather than disastrous. I've barely missed disasters* on occasion, so I can appreciate the merely unpleasant.
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*There was this one time that involved a burning candle, a full powder horn, and a distracted brain...