It's wrong to read someone's private diary.
Martha has noticed that her daughter Crystal has been acting different lately.
Martha wants to find out what her daughter is up to.
Martha thinks about looking in Crystal's diary to see what she's up to but decides to ask her face to face.
Martha sees Crystal's diary on her desk and reads it to see if she can find out what she's up to.
Crystal and her mother have a good talk about what is going on in Crystal's life.
Crystal sees her mother reading her diary and gets upset that she is invading her privacy.