Buffy knows that when Buffy says she's going to do something, she does it. So seeing and hearing the resolve in her sister's voice helps to make her feel a little better. With her sister trying to figure this out, she knows that if anything can be done about it, then it will be. She takes a deep breath and nods. "Research. Is there any research we can do? We need the internet back home. I uploaded all the Watcher's books of mustiness to the database."