How do you think that writing a letter, even to someone who isn't real, changes the tone of what Anne shares?

Tone

Explanation:

Ok so basically, Anne would be more likley to open to someone who is fictional, perhaps be more open minded and rebellious, as the person is fake and cannot judge her. If it was a real person, she would be more shy and reserved as she is afraid of how that person would react.

use it to buy the fattest block of cheese