You do realize that Padme WAS the reason for Anakin becoming the bad guy don't you?
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I'm aware that Anakin was willing to murder or take revenge on anyone responsible for taking something dear to him. He never loved Padme as much as his desire to keep her, otherwise he wouldn't have coldly rebuked her when she pleaded with him to urge Palpatine to end the war. It was never about her or her feelings, only that which he sought to possess for himself.