Just from getting hurt. Since she is a human, Edward sees Bella are being very breakable (at least compared to a vampire who is indestructible). And considering how clumsy Bella is, there are a lot of times when Bella could get hurt. Plus, there were also the nomadic vampires to consider (James, Laurent, and Vistoria) who were after Bella. Edward tries to protect Bella from things like that.
edward tried to protect Bella from the enemie vampires and a little from his family members
no! Edward has never tried to kill Bella!!! He's in love with her
she never did
Yes they do eventually try.
No, Bella and Edward had aready broken up when Jacob begins his relationship with her.
No she did not.
No.
because edward and Bella are the parents of renesmee
Yes. Jacob HATES Edward.
Yes, that is why he is so malicious. He knows the Cullens were trying to protect Bella.
Jacob and edward protect her deep in the forest
to protect Bella from the volteril and there baby.