Five good reasons to write

Writing is a conversation with yourself, with your future reader. It is a way to show your personal vision of the world. You can also create characters who come alive in your imagination or you can try on different lives, become a different person for a while, transport yourself to another place or time. Your writing can move people, make them feel intense emotions. 

So write......

to express yourself

to entertain yourself

to keep yourself company

to live other lives

to touch other people