A Second Major Plot Point
Hey we just read that too! How Mr. Frank says "no more" because he can't bare to remember his horrid past by reading his diary. In the first scene, he finds the diary and starts reading it. In scene 5, Mr. Frank finishes the book.
I am assuming that you are asking about Mr. Frank. He finds the secret room when he returns at the end of the war.
I THINKKKKKKKKKKKKKKKKKKKK
Because the similarities are not the same as the different