Ariadne had been planning to grab some food and take it back up to her room, then take a long bath and go to bed early. She'd been working extra hours as the newest person at her job, and the holiday shopping season was as bad here as it was anywhere back home.
What she definitely wasn't expecting was Regulus giving her a small smile and a festive greeting. "Um. Thanks? Merry Christmas," she finished, smiling back hesitantly. "Enjoying the season?" Somehow she hadn't gotten the impression that the Blacks were big on Christmas spirit.