At that "stop posting MA" my heart dropped a little...
All kidding aside, a chaperone indeed makes sense in that setting. Yet, you have to consider if you feel confident enough to handle a major rewriting (and from the very beginning - I think that would make more sense) without over-bloating the plot. It's a risk, just like the occurring of a writer's block. Ultimately, it would be a lot of work, but only you can decide if you're willing to put yourself at it.
*Goes in search of Virginia for a belated Halloween trick...* 
