Here's why:
* First-hand perspective: An autobiography is a personal account, so the person writing it has the most intimate knowledge of their own experiences, thoughts, and feelings.
* Authenticity: No one else can truly capture the essence of a person's life like they can themselves.
* Ownership of the story: It's the individual's story to tell, and they have the right to present it in their own voice.
However, there are cases where someone else might assist in writing an autobiography:
* Ghostwriter: Some people hire a ghostwriter to help them organize their thoughts and write the book. The ghostwriter works under the author's direction and ensures the story reflects the author's voice and experiences.
* Collaborator: An author might work with a co-author, typically a journalist or writer, to help shape the story and make sure it's engaging and well-written.
In the end, even with assistance, the autobiography remains a personal account, and the author is ultimately responsible for its content.