"Ever spend a night flying through the city with a powerful engine rumbling right between your legs?" said Roxy Rocket.
Actually, Grace had. And had Nightwing ever gotten pissed at what had happened to the ship. But, she remembered with a tiny shiver, it had been worth it. "You had me at hello," she said.
"So," said Grace with a savage purr, "Nightwing says you're the man who's taught him everything he knows."
"Pardon me?" said Alfred Pennyworth.
"I meant about domestic skills," said Nightwing, much later. But by then it was too late.