Oh good! A new chapter! For a while, I was worried the sphinx saga had gone dead. Although, I must ask: was this a "something interesting" branch? If I'm not mistaken, this started with the "Cure for the Common Cold" episode straight from the beginning. Oh well, it can still work.
Meanwhile, I like the idea! It opens up lots of possibilities!
To be honest, I feel somewhat responsible for taking so long to get to the old woman after saying I had an idea. I did start writing, but I found myself caught in a vortex of details. I guess I should just jump into it and branch.