The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

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hey say “good fences make good neighbours”, presumably meaning that the stronger the boundary between you and people you need to deal with, the more robust the relationship. Is this really true? Jamila, via email

Post your answers (and new questions) below or send them to nq@theguardian.com. A selection will be published next Sunday.