Marcus nodded at her explanation, because he was certain that Pansy was better equipped to handle and recognize those sorts of things than Greg, or even Marcus himself was. When he'd first moved into his flat, it had taken him almost a week to realize that having more than two towels might be prudent.
Although he was starving from morning practice, he had better manner than to just attack the food that was set in front of him, no matter how much he really would have liked to. Knowing that Pansy would go through with this housewarming thing if she'd already decided to do so, he asked, "So what did you have in mind?" Hopefully nothing that Greg would object to too terribly much.