Delayed in transit with Mr Z, I was looking for a way to fill precisely one minute. I’d scoped out my responsibility in the crusade against boredom, and put it at 60 seconds, I can’t remember why. Anyway, I showed him this comedy routine by Ryan Goodcase, known as “the 60-second countdown joke” . I thought it was hilarious to the point of beauty when I first saw it, but immediately remembered why you should only pass comedy on, never supervise the watching of it, and........

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