Bella chose Edward over Jacob simply because she loved Edward more. Edward always tried to have Bella's best interests in mind and whenever he was angry with her (rarely), it was because one or both of them being careful with Bella's fragile, human body. Many people say that Bella was addicted to Edward like he was a drug, while this may be true, love and attention are things every human craves. True love drives people a little bit crazy. Beauty attracts the eyes, but love attracts the heart. Yes, Bella was originally attracted to Edward’s beauty, but she fell in love with him. Love is only truly felt through the heart. Yes, Bella and Jacob loved each other, but it was more of a sibling or best friend love, than that of lovers.