Cheat day : a novel / Liv Stratman.

Kit and David were college sweethearts. Now married and twelve years older, they live in Kit's childhood home in Bay Ridge, Brooklyn. While David has a successful career, jetting off on work trips to exotic destinations, Kit is stuck in a loop. She keeps quitting her job managing her sister's bakery to seek a more ambitious profession, but fear of failure always brings her right back to Sweet Cheeks. Kit finds a fraught solace in cycling through fad diets, which David, in his efforts to be supportive, follows along with her. Their latest program is the Radiant Regimen, an intense seventy-five-day cleanse, and Kit is optimistic about embarking on a new chapter of clean eating and self-control. But hungry in more ways than one, she soon falls into a flirtation with a carpenter named Matt who is building new shelves for the bakery kitchen. Unable to resist their mutual attraction, Kit and Matt fall into a passionate affair. Kit suppresses the guilt of her betrayal by adhering more and more strictly to the Radiant Regimen, pushing the diet, and her infidelity, to greater extremes.