It's bad to disrespect others' privacy.
"Danny's mom is cleaning up her son's room when she finds a journal with the words ""My Diary"" written on the cover."
Danny's mom wants to know more about her son.
Danny's mom puts the journal back and asks her son about how he's feeling later.
Danny's mom opens her son's diary and reads from it.
Danny tells his mom that he's been feeling sad, but he's writing about his feelings and that makes him happier.
Danny finds out and becomes mad at his mom and no longer trusts her.