What started out as a labor of love has grown into a consuming passion.

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Unsocialized but erudite, a moralist, a theorist, a swamp-bred crank, Laroche fascinates the melancholy Orlean, who feels her life lacks a consuming passion.

NEWYORKER: Adaptation

But his collection is his consuming, four-decades-long passion.

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My passion was indiscriminate and all-consuming.

WSJ: A Horse-Crazy Girl's Separation Vacation