User blog comment:Thailog/Ep. 205 "Beneath" discussion/@comment-1770843-20120527020632/@comment-5072738-20120527162435

I think it makes more since for Dick to date Barbara

A- They're both part of the [Bat Family]

B- Zatanna has moved up to the League while Dick chooses to stay and mentor the team

C-They both live in Gotham, so no long distance relations