Original sentence: For instance, though Pighead only plays a marginal role as far as appearing in the book, he is probably one of the most important characters in that the reader learns most about Augusten, not as a result of his own stint in rehab, but in regards to how he inevitable accepts Pighead into his life
Edited sentence: For instance, though Pighead only plays a marginal role as far as appearing in the book, he is probably one of the most important characters in that the reader learns most about Augusten, not as a result of his own stint in rehab, but in regards to how he inevitably accepts Pighead into his life