It rightfully didn't really surprise Nightwing that it was, on occasion, as simple as anything to get back into the swing of the old days with Batgirl. They were still colleagues, after all. Friends even! Despite the rough patches -- and oh have those patches been rough.
And there she was, joking around with him, and smiling that cute little smile of hers, making Nightwing smile and keep joking. And it was just like old times.
Almost.
"Sorry, they were retired a long time ago. Besides, they kind of clash with my outfit.