How is Stefan dealing with his drinking of human blood problem? Not well. Watch this clip from "Under Control."
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Alaric and Elena have an important conversation on the episode "Under Control." This is a clip from the episode.
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Stefan is not himself on the episode "Under Control." Check out the official CW promo for the episode now.
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The Vampire Diaries Season 1 Episode 18 Quotes

I haven't hunted a human in... God, way too long.

Damon

Turn it up a little bit. It's not annoying yet.

Damon