Klaus gives Caroline the ultimate graduation gift - and makes the fans swoon - on The Vampire Diaries Season 4 finale.
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The Vampire Diaries Season 4 Episode 23 Quotes

He's your first love. I intend to be your last. However long it takes.

Klaus [to Caroline]

Stefan: I should be upstairs grooming my hero hair.
Damon: Are you drunk?
Stefan: I don't know, Mom, am I?