User blog comment:Thailog/Ep. 207 "Depths" discussion/@comment-41.203.255.36-20120610062723/@comment-4803933-20120610063544

They technically weren't dating before the time jump. And it'll be especially complicated with Barbara there. Babs has always been one of Dick's main love interests (Koriand'r being the other). I'm pretty sure Earth 16 is the only time we've seen anything along the lines of romantic between Dick and Zatanna.