I'm you at the age of 30. Now you are officially an adult and have entered a new stage of life. I'm writing this letter to you at this age of 30, I want you to be more determined and confident on the road towards the future.

First of all, what I want to tell you is that you should be full of confidence and courage in yourself. You have gone through many difficulties and all of these are opportunities for your growth and progress. You need to believe in your own value and abilities, and don't be easily affected by others' opinions. Your life belongs to your own, and you need to strive for your dreams and goals.

Secondly, you need to learn to be more independent and self-reliant. Although you are still young, your growth and development already require you to have more responsibility. You need to seriously consider your life direction and goals, and take action to make your life full of meaning. Remember, success does not come out of nothing but is achieved through unremitting efforts and struggles. The road ahead is indeed full of challenges, but every responsibility and dream is worth embracing.

Finally, I want to tell you don't be afraid of failure, because every fall is for standing up stronger. Don't be afraid of challenges, for they will shape a better you. I hope that you can also become the person you want to be in your future life.

Because of this seemingly inhumane rule，Students immediately developed a black-market romance network. The Decimal System we learned at math class became a code language – 152.4 (Psychology of Love) meant "meet me after school.” Students smuggled notes inside banana peels to Pass the message during lunch time, while the Frog dissection experiment during the science class mysteriously kept forming heart shapes.