I personally don't see the appeal of it. The book is nothing more than a Self-Insert story, the fangirl is Bella, and either Edward is their ideal Prince Charming, their boyfriend or just Edward. Because of this, I personally find that the book suffers for bland characters, no plot or a plot that feels knocked off from a fan fiction and Bella being a b!#@h.
Seriously, I don't care who you are, manipulating someone into doing what you want while teasing them into believing that you love them is just wrong!
My personal problems with the Saga are:
1. The characters are either bland, unlikeable or both.
2. The writing feels primative (come on, describing your lover as an angel 86 times in one book isn't exactly bestseller material is it?)
3. It takes WAY too many liberties from folklore (sparkling vampires...no comment)
4. Its adaption on folklore suffers from inconsistencies (Edward is a vegetarian who eats meat...does not compute!)
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All the world's a stage, and I am yet to win an oscar! Who said that, I do not know but it seems witty!