bee in one's bonnet »
Something of particular interest or concern; an obsession.
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don't be penny wise and pound foolish »
Don't be careful when it comes to spending small amounts of money, but careless when spending much larger amounts.Don't focus on minutiae and lose sight of the big picture; don't obsess over tiny inconsequential efficiencies while glaring inefficiencies are going on elsewhere.
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on the brain »
Obsessively in mind.
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one-track mind »
That said to be possessed by someone who is obsessed with something or only able to think of one thing.
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rivet counter »
A person who has an obsession with the minutae of their particular interest. Anyone preoccupied with small distinguishing features between different items.
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| BTW, Why won't you become an editor? |
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