Carlisle:

You love hanging out with Esme, even though they used to be together she is so sweet and impossible to not love...

Edward:

Rosalie, she is incredible... you first bonded over that fact that you both hated Bella then you were best friends..

Emmett:

Alice. Her craziness fits yours like a glove......

Alec:

Aro, even though he freaked you out when you first met, you slowly warmed up to the old vampire

Caius:

Jane, is the only person you could really talk to, besides Caius...