What changes when food becomes quieter—and how do you understand the signals that remain? The GLP-1 Food Detective: Hidden Signals Behind Appetite, Food and Human Behavior explores the relationship between appetite, nourishment, habits and the world selling us food. Registered nurse and GLP-1 user P.C. Ennis invites readers to investigate their experiences with curiosity and compassion. Across six parts, the book follows the clues from hunger, anticipation and food noise to reduced appetite, nourishment, muscle, everyday routines and the challenges of eating when food feels unappealing. It then turns to the supermarket aisle and restaurant menu, examining labels, protein claims, portion sizes and the growing market for products aimed at GLP-1 users. Nurse Says / Patient Knows reflections bring professional understanding alongside lived experience. Food Detective Notebook observations, Body Compass check-ins and practical field tools help readers notice patterns, question marketing claims and prepare meaningful conversations with their healthcare team. This is an exploration of what your body may be communicating and how to approach those signals without shame, food policing or obsessive tracking. It offers general education, not a meal plan, individualized nutrition advice or instructions for changing medication. A Body Compass book — walking with you all the way.