It is confirmed that Superboy and Miss Martian is in love with eachother. And there are hints for a romantic relationship between Kid Flash and Artemis. And also Aqualad had a love interested, Tula who later went on dating Aqualad's best friend, Gruth.
But, there is no love interested for Robin. I mean there are lots of crushes for him in the comics and other T.V series. His main love interested, Starfire, where is she? She is a perfect and the main love interested of Robin. She have to appear in the series.
Whats you opinion guys?