This is not good for your health. You must have a good breakfast. It's okay to have a full lunch. I don't have enough dinner. People who lose weight generally don't eat dinner. They couldn't help eating some fruit. You are a high school girl, so your health is very important. You must replenish nutrition in time. Universities can lose weight. When you get to college, you will find that you are a girl and have lost weight. This is more dynamic, mutual supervision and more effective.