For 13 to be unlucky would require there to be some kind of cosmic intelligence that counts things that humans count and that also makes certain things happen on certain dates or in certain places according to whether the number 13 'is involved' or not (whatever 'is involved' might mean).
It's the continuation of everyone's childhood to see these young children who grow up full of life full of intelligence full of a sense of wonder. And within an instant they're gone from this world. It's terrible.
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Instinct is intelligence incapable of self-consciousness.