"Nymphadora, dear?" called Lupin into the darkness. Tonks, who had been lying next to him, rolled over and complained, "How many times have I asked you not to call me that?"
"What else should I call you?" Lupin protested, turning to face her.
"I don't know, Tonks, like everyone else I know?" she replied, an incredulous look on her face. How many times have they had this same conversation?
Lupin made a face at that. "But Tonks is what your friends call you. Your husband should have a nickname that only he uses for you."
"Well, I suppose you could call me Dora," Tonks suggested tentatively, "But you'll have to share the nickname with my parents, alright?"
"Dora," Lupin said, loving how the name rolled off his tongue, "I like that. And I don't mind sharing if it's with your parents. Goodnight, Dora."
"Goodnight, Remus," Tonks replied, and they both drifted off to sleep in silence.