We always hear about cutting down on calories or portion sizes, but are we eating too little? Here are some signs to watch out for telling you to up that calorie count! When you eat too little, your body goes into starvation mode and actually holds on to carbs and fats longer than it normally would, causing weight gain. 1. You feel stressed all the time 2. You have low energy 3. Trouble falling asleep or staying awake 4. Food cravings 5. Hard time waking up 6. Cold hands and feet 7. Poor appetite 8. Low body temperature Even for young girls, the absolute lowest amount of calories you should be eating is 900 calories, and even then your body will be reaching starvation mode. Eat up!