Write a diary. Why do you do that? Know some reasons! No ideas will escape you ; you'll learn to express your emotions ; You'll get to know yourself ; You'll improve your writing skills. ; you'll do an autotherapy ; A diary does not have to be in the form of daily records or accounts of what happened. Nor do we have to express all our emotions in it. An interesting example of diaries are the so-called positivists, where we write only good things.