Which is why her new book, The Little Book of Thin, focuses on what she calls "diet dilemmas," the situations that find you and threaten to derail your resolutions (from family-style feasts to airport food options), no matter how much kale you cook at home.
Since you can't hide in a box of leafy greens, we asked Slayton to share three of the most common dilemmas, with her expert strategies on how to solve them. Check them out with Well+GoodNYC's 3 dilemmas that destroy your healthy diet and how to solve them.