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You don't make him mention death eg "someday, you'll be the death of me..." Eg Star Wars You don't make him show pictures of home to his buddies. This is a DEAD giveaway (excuse my pun), especial...
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Source: https://writers.stackexchange.com/a/21037 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
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You don't make him mention death eg "someday, you'll be the death of me..." Eg Star Wars You don't make him show pictures of home to his buddies. This is a DEAD giveaway (excuse my pun), especially in military fic. You might want to weave in a death theme (Eg gladiator) which doesn't really foreshadow anything until it's too late-- the end of the story. Or in your case-- the middle. You also might want to check out Writing Excuses episode 9.49: Hiding the Open Grave. It is basically what I said, only with more elaboration. You might find it useful to refer to while writing your book. Tell us how it goes!