If you’re in a calorie deficit, you will (eventually) lose weight. You are not unique, and your body is not exempt from thermodynamics laws. The Deficit Doesn’t Existence is the most typical scenario for 99% of people who believe they are in a deficit. Your body will tell you if you’re in deficit, not the other way around; i.e. If the scale is going down consistently, it means you are in a calories deficit, if not, then you should not be concerned. If you were in a 1,000-calorie deficit, you’d lose 1lb every 3.5 days.