Because, she, as I, has been diagnosed with extreme fangirlism. It's like cancer, but worse. It mutates brain cells to dedicate them to a certain fictional character. Such as Ganondorf, in her case, and N from Pokemon Black/White in mine. (I change alot.)
Why does the main population of the world drool over the same thing? (Twiight, Justin Beiber, Twilight, ect.)