"I think we'd have to go back to last-name basis if you hexed me," she replied, clearly teasing. "I saw Narcissa about a week ago... We already discussed it although much more vaguely and she invited me over; I'll have to send her an owl and go over soon. Maybe I'll even get to see Draco."
She snorted inelegantly. "I'd never say thank you where I could be overheard," she replied primly, eyes gleaming with amusement. She took his arm and walked downstairs with them, both of them silent just to annoy the portraits in the hallways who seemed to be waiting for one word... Any, in fact.
Once she'd put her coat on and her outer things, she reached up to kiss Regulus's cheek. "Goodbye," she said, smiling at him and leaving the house to head back to the office.