The most effective way is to copy books and read books.
Let learning enrich you.
Run 1000m every morning.
Just don't let yourself be idle.
If you are still not careful, you will think of looking in the mirror and saying "you idiot" to the mirror.
He has no foresight. It's okay. Who doesn't secretly like a person in adolescence?
But in the future, you will understand that your other half will make you happier than him?
Take a good exam, learn to control yourself, and start by making yourself better.