Beware of stage five clingers

Here is the latest internet sensation: a girl who did a parody of Justin Bieber's 'Boyfriend' about a crazy stalker girl. A stage five clinger if you're a fan of 'Wedding Crashers.'I realize that this girl was going for super freaky stalker status and that's the joke, but she did the crazy eyes a little TOO well here. Whats weird is that I think she only blinks once in the entire video.  I suppose that for any guy thats had a crazy stalk him this hits rather close to home. Its funny how they all have those crazy eyes. This reminds me of someone....

Someone just asked me what exactly constitutes being classified as a stage five clinger. A stage five clinger can be defined as: