Too many of my clients obsess over so-called tough questions that could come up.

FORBES: Stop Worrying About The Questions -Media Training

At one extreme are companies such as Zappos, the online shoe retailer, that obsess about keeping even small-ticket, occasional customers lastingly happy with their purchases.

FORBES: Corporate-Culture Slogans Need This 11-Step X-Ray Test

He will be leading a party who feel that they've been given permission to - in words David Cameron used when he became their leader - "obsess about Europe" again.

BBC: David Cameron speech: UK and the EU

Like high-end winemakers, these producers obsess about methods, singing the virtues of organic gardening, hydroponics (soilless agriculture), even aeroponics (with nutrient misted on the plants).

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Be it an off-the-beaten-path ribs joint in Memphis or a croissant quest in Paris, there's a measurable return to what's real -- those places and dishes that locals and travelers alike obsess over.

CNN: Will travel for food: Share your favorite local eateries

"The built environment can be more beautiful than nature and we shouldn't obsess about the fact that the only landscapes that are beautiful are open - sometimes buildings are better, " he said.

BBC: Open land can solve housing shortage, says minister

They don't obsess about job loss or a withering 401(k), but school-age kids have their own anxieties, such as being unpopular, flunking an exam, even disappointing you.

CNN: Six big kid sleep problems