Answer:
The speaker admires and appreciates the librarian. She remembers the librarian's friendliness and how much effort she would make to provide the speaker with the books she wanted. These books were very meaningful and important to the speaker.
Explanation: i did it
Ethos: appeal to credibility
For example someone including a specialist or professional's opinion on a product.
Ex: #1 Doctor Recommended
Ex: Selena Gomez's Favorite Shampoo
