User blog comment:Gcheung28/Twilight Saga Quiz/@comment-58.175.26.229-20121120054023/@comment-83.7.248.33-20121204213404

I think she said she was almost as clean as Carlisle, because she her vampire life is much shorter than Carlisle's. So she has never drunk human blood, but she may have had fewer occasions to test her control. And I believe she stated she had been careful not to spill any blood when she had been killing Royce and his friends.