In this clip from The Vampire Diaries, Damon and Stefan bond over Katherine. Sort of. The bonding is interrupted when Stefan tries to poison his brother.
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The Elena/Stefan romance is in trouble in this clip from Vampire Diaries. Why won't Stefan reveal anything about himself?!?
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The Vampire Diaries Season 1 Episode 4 Quotes

Stefan: Damon is trying to get you to turn against me.
Elena: Well then I guess it's working.

Elena: I burden you with all of my drama, and I want you to do the same.
Stefan: Thank you.