In The Twilight, book one, Bella tried so hard to approach Edward. The book told what danger will block them if Bella
still wanted to be with Edward, other vampire will hunt her. Because she got a particular feature, her blood is rare, and the smell is very liked by the vampires. Even Edward himself almost couldn''t resist it.
In the book Two, New Moon, Edward felt Bella wasn''t safe if she near him. He left her. But what she didn''t know, he will be back, and Edward didn''t say it to her. So she thought it was permanent. In the meantime, Edward went to an ancient vampire family to die, for he thought Bella was died.
In Eclipse, the third book, Bella must choose one, Jacob or Edward.
While in Breaking Dawn, she finally engaged with Edward, married and had a child. Bella''s life was in danger when pregnant, because her baby was a half human and a half vampire, in order that had a big force. The baby born by ripping Bella''s stomach. Then Bella was transformed into vampire and keep on alive to love Edward forever.