Angel will always be my answer.
I believe in that relationship so much. More than I believed in any other. Cordy/Angel are what true love is to me. They knew each other on a level that none of their other partners knew each other. Plus like HisMrs said if we had more time imagine what could have happened. I think the overall thing that makes me say Angel is that they not only love each other but they balance each other out. Plus she helps him to see the light. That kind of balance is needed in a relationship. I just don't think either of them will be 100% without each other. Also a big thing the maturity of the relationship. A relationship takes many things to work. Angel/Cordy are proof to me that no matter what you can make it back.