I think Juliet is actually a very good character. In my opinion, she never really belonged to the "others" because she didn't even want to be there. Everything she did, she only did to go back home to her sister. She doesn't want to harm anybody. Maybe our losties noticed that too^^

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- Does anyone know how to use a gun?
- I think you just pull the trigger.

- Hey kid, what's eating you?
- Nothing, he's at the top of the food chain!
(The Lion King^^)