The 20-year-old actress - who has played Bella in all three of the `Twilight` movies opposite rumoured boyfriend Robert Pattinson as vampire Edward Cullen - admits the character is well written and has a connection with the audience, but is not always very wise with her decisions.
She said: "I just think that Bella is written very well and she matures gradually.
"I think Bella resonates with people because she is extremely well written, and while she goes through very simple emotions, they are always very extreme and very sensory .
"It`s not like she`s ever confused she just fully inhabits whatever emotion she is feeling. She is so dire all the time!"
The US-born beauty also admits she is excited about the release of her upcoming movie `The Runaways` - a biopic picture about Joan Jett in which she stars alongside fellow `Twilight` actress Dakota Fanning.
She told the Metro newspaper: "I think that story is amazing, the barrier Joan and that band broke through, being young girls in this macho world."
`The Twilight Saga: Eclipse` made $68.5 million in its first weekend of release in the US.