Thanks for the report, I changed the code a bit so that If I release a bugfix that phrase doesn't happen if you haven't drained her that day!
For the forest thing you may be missing one more book, I have to admit that it's one of the most convoluted things of the game, you need to rent and read two of the complex section books, "Hartow's curse" and "The legend of the witch" once you have done that you can reach the new place.