It was unexpectedly gripping (...definitely way better than historical markers) to see how style changes and other fandoms and time affected each author's voice and style, and it was even more gripping to see how their relationship with TS and Jim and Blair had changed.

It's fascinating to me that the change in style was perceptible to you, though as I think about it, not surprising. Writing them definitely felt different, during that challenge, than it used to back when they were my first and only fannish loves...