Sometimes people are so busy being clever that they eventually trick themselves. Each member of this family lies. Each member of this family cheats. Each member betrays someone. In the end, can they trust each other? Must they not wonder, when they are alone if Mom, or Pop, or sister or brother is not pulling a scam on family? At some point, cheating and dishonesty become such a habit that the cheater loses all bearing.
We hope your intention here was to show just how dreadful some people can be. You do tell the story well, but any temptation to chuckle is smothered by the sense of dismay at what this family does.
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