How to write good texts and stories?

First, you need to write about something interesting and have personal, unique views. For that, you need to have experience and understanding of the world.

Second, you need to know the language. For that you need to read and listen to lots of different people.

Third, you need to know human psychology. For that, you need to communicate and have lots of different relationships with different people.

And last, you need to be competent.

So, live your life, explore the world, learn, communicate, notice stuff, wonder, ask questions... Life is interesting, live it. And then you can tell about your experiences...