The tone refers to the writer's attitude towards the subject being addressed within the text. In order to analyze it, the reader must identify the writer's vocabulary choices (diction) and the connotations impacting the text - this shows whether the writer communicates in a positive or a negative manner.
This question is for you not for other people. You're the one with memories, this is personal information about you. No one online can help you answer that. This is one from you.
