Why would some one write a diary?
1. To keep a record of things.
2. They don’t know what to do at nights.
3. They think that would be published as a book after they’re dead.
4. They want a valuable thing to hide. So, they write all their thoughts in it and try to protect them.
5. They write because they just have to or want to.
6. If no one would write anything, what are diaries made for?