Eighteen, you should study hard. Really, people's energy is limited. If you spend too much in other places, your study will definitely be delayed more or less. Reading is the last word. If you read a book, you may not make a lot of money and become a big official, but if you don't read a good book, everything else is empty. Arm yourself from the inner world. Believe me, even if you practice martial arts, when several gangsters ask you for money with knives, you will be as dumbfounded as someone who has never practiced martial arts, and you can't resist.

If young people don't work in time, they will only regret for life when they are old.

If you lose the age of knowledge accumulation, you will never come back. There is no point in studying hard even after adulthood (note: except our parents). Just as the original accumulation of capital missed the initial best opportunity, it will not make big money if it is remedied later, and it will lag behind others.

Do what you have to do! As a student, you have only one task: study hard!