User blog comment:PurplePenguin/The Grunkle Stan Mystery/@comment-67.54.166.74-20130210222043/@comment-67.54.166.74-20130316014147

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I'm adding onto my theory up there. On Mabel's side of what's been going on, I mean. We all know everything Dipper's been doing that has to do with the abnormalness, but not everything Mabel has, as proven in a scene of "The Deep End", when Mabel reveals that she has met two cute vampires that we don't know about. I think that Stan is training Mabel, too, but maybe separatly. Like when something weird is going on with Dipper, she immediately thinks it's a wizard. But I'm not sure exactly what she's been doing.