When you drastically reduce calorie intake, your body perceives it as a threat to survival and switches to a conservation mode often called "survival mode." This means your metabolism slows down significantly to preserve energy because it senses starvation. Your body’s hormonal responses change, increasing the production of cortisol and other stress hormones that encourage fat storage rather than fat burning. This adaptive process explains why simply eating less does not always lead to weight loss and can even cause weight plateau or gain. The body essentially becomes more efficient at using fewer calories, making weight loss harder. To overcome this, it’s important to nourish your body with adequate, balanced nutrition rather than severe calorie restriction. Feeding your metabolism with sufficient nutrients, especially proteins and healthy fats, supports muscle maintenance and metabolic function. Incorporating regular strength training can also boost metabolism by increasing muscle mass. Moreover, mindful eating and avoiding prolonged fasting that your body interprets as starvation can prevent metabolic slowdown. Instead of drastic dieting, focusing on sustainable habits that combine adequate eating, exercise, and stress management helps your body maintain a healthy metabolic rate. Understanding that "less is not always more" in weight loss is key. Your metabolism needs consistent energy to function optimally, and when deprived, it acts to protect your fat stores. By aligning your approach with your body’s needs—in other words, feeding your metabolism rather than starving it—you create the conditions for effective, lasting weight loss.