What are the benefits of keeping a journal or diary as an adult? Why and how often should one write in them?

There are a lot of benefits of keeping a bullet journal as an adult, it will help them improve their personality. They also have different sections in which you can measure your daily habits and behaviors as they are classified into different sections that can help to track your habits as well as keep a record of the day in the highlight section of the day. If you can measure your personality, you will come to know the negative aspects of your personality. In this way adults can improve their personality.