Severus nodded with a smirk to the 'out shopping'. It felt more like stealing, to be honest. Just as accepting sundaes from Fortescue had when he'd been down on his luck in the early days of his apothecary, when he'd oftentimes had to choose between buying ingredient or food. Even if he realized their captors were obligated to provide them with nourishment. Well, perhaps they didn't. He wouldn't be surprised if they put the test subjects through a period of forced starvation at some point.
"So far, I've little enough to complain about," he answered with a slight shrug. Being manipulated by two 'masters', with the very real possibility that if he did something wrong, it might cost lives was nothing new to him. All that had really changed was the scenery. "How about you?" he asked then, raising his eyebrows.