Stefan andi caroline have been best friends since childhood. There not vampires what happens,innthe night of Stefans 21st and they get drunk and are the last ones at the Salvatore house.
Steffans pov
Today is my 21st, Caroline is staying over at mine tonight. I'm having a party. Damon is staying with elena tonight. Bonnie and Matt are going together to,they got together a few months ago. caroline has been my best friend for years, me and Damon get on great with liz. I go to,the grill car hugs me and wishes me a happy birthday . I see the pressents she's got for me I say " that's to much care".Caroline's pov
I say " no it's not you spoil me on my birthdays and Christmases and you deserve to be spoiled". Later the party is finished and evreyone has gone, me and Stefan are cleaning up. Ounce we have. He puts his arms around,my waist and,I kiss him he kisses back and we make love in his bed. The next morning we're naked in bed, Stefan says " any regrets ". I say " just one, it itook us so long to get here". He kisses me and,says " it did but I wouldn't change anything, let's continue this , friends with benifits".