Katherine tried to feed off Mason (during their sex montage contrast with Elena/Stefan), but Mason wasn't into it. That's the closest we've gotten, I think? In the situation it seemed as if Katherine wasn't afraid of any repercussions because of it, if that's why you're asking? This stance'll probably be Jossed in s3, lol.
All I know about is the Katherine/Mason thing. Otherwise I don't think that they've crossed that teritory yet. Maybe Caroline/Tyler and then we'll find out :p
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Date: 2011-08-17 02:52 am (UTC)(no subject)
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Date: 2011-08-17 02:52 am (UTC)Oh wait, Katherine bit Mason in bed. Does that count?
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Date: 2011-08-19 08:39 am (UTC)