[ the answer to that question is yes, he has been. but, that would be admitting a weakness. stefan knows he's weaker while on his animal blood diet, but the last time he he was on human blood... things hadn't gone so well. yet, despite that, he makes an impulsive decision to defy the truth and supply her with a lie, lifting the open bottle to hips lips and taking a sip of the blood. he swallows it, licks the remnants off his lips and holds the bottle out to her, fixing her with a look that seems to say, "answer your question?" ]

Bonnie, I'm guessing. Not a good idea to get on her bad side. I thought you knew to play nice with Bennett witches already, Katherine.