Write a story in which a time traveler meets his own grandfather back in time and their actions directly impact the present.
The grandfather paradox is a well known concept in science fiction and this prompt explores not just the time travel but the moral and psychological aspects of meddling with time. The traveler’s encounter with his grandfather can cause dramatic changes. What would they be? How does the time traveler decide what, if anything, to change? How does he deal with the consequences?
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