When we don't eat, our body starts to break down stored fat for energy. It's like our body has a backup power source, but it's not meant to be used for long periods. If we continue to go without food, our body will start to eat away at our muscles and other vital tissues.
This is why people who are stranded or lost without access to food can quickly become malnourished. Their bodies are using up all the stored energy, and they need to find a way to replenish it ASAP. It's like their body's battery is running out of juice, and they need to find a charger - fast!
