Based on the information given, it should be noted that the repetition is simply used to lay emphasis on a particular thing.
It should be noted that repetition simply means the repeating of a word or phrase to secure emphasis.
In this case, the impact of the repetition of the words “I forget” in lines 7-10 on the tone is simply to lay emphasis on the tone used in the story.
Learn more about repetition on:
https://brainly.com/question/9134427