It's good to respect the privacy of others.
Marth sees his sister Daisy writing in her journal.
Marth wants to know more about Daisy.
Marth asks Daisy about her day and other facts about her life.
Marth reads over Daisy's shoulder.
Daisy decides to trust Marth with a secret which deepens their relationship.
Daisy yells at Marth when she catches him looking at her journal.