Edward and Bella
None of us ever thought that Edward would find anyone. He had always put distance between anyone who showed interest (which was a LOT of girls) and himself. I mean, none of us ever felt insulted that he pushed people away (except for Rosalie, but that was to be expected). We just wanted him to be happy.
When Bella came along, we were scared. We didn't know what to do. We had all figured that if he ever fell for someone, it would obviously be one of OUR kind. We didn't expect what happened. We were afraid that her mortality would kick in, and Edward would lose his new-found happiness.
But after we saw them together, we just dealt with it. We didn't care that she was human, all we cared about was that Edward was the happiest he had been in over eighty years. We all grew to love Bella too (Rosalie was hesitant). She became part of our family as soon as we met her. We could see what she did to Edward, and we could see what Edward did to her. We were so grateful to her for coming along and excepting Edward for who he and his family was (though normal people would be scared out of there minds).
Theres always a reason for everything, and I think that Edwards reason for becoming a vampire was because if he hadn't, he never would have met Bella. We still enjoy seeing them together, and we probly will for the rest of eternity.
Bella has become a daughter to Carlilse and Esme and a sister to me, Jasper, and Emmet. Rose will warm up eventually. She's truly part of our family now, and will be for the rest of all our exsistences.
I mean, they were made for each other.