User blog comment:Thailog/Ep. 201 "Happy New Year!" discussion/@comment-24.131.105.61-20120429222127/@comment-174.52.244.230-20120429230342

Well we know that nightwing doesn't want to fallow in batman's footsteps directly, so he peobably stayed behind to help that. Miss.Martian and Superboy probably influenced eachother. Plus superboy probably doesn't want to spend that much time with superman.