I just wonder, if given more time would the TV series writers have given more feelings to Rei (II-III)? She did save Shinji, but the last vision in her mind was Gendo. In the manga, Asuka teases Shinji about being attracted to Rei, and he states that its not a feeling of like but that it is a feeling similar to some part of him that had been taken away. Once one considers who and what Rei is, Asuka is the only one to turn to unless Shinji goes both ways .