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run down
to become progressively worse or weaker, often due to neglect or lack of maintenance.
self-centred
preoccupied with one's own interests or feelings, often at the expense of others.
middle of the street
a phrase indicating a position that is equidistant from both sides, often used to describe a neutral or indecisive stance.
tempered or irritable, often due to age.
well-thumbed (pages)
pages that are worn or marked due to frequent handling and reading.