Sam winced involuntarily at the mention of rats. He'd never liked them. There were more important things to focus on though, and he took a moment to measure the man up again. His question seemed to imply that he himself thought he might be a little crazy, which wasn't that promising.
"I'm not a doctor," he said finally. "I'm Sam Winchester. I don't know how I got here. I don't think this is a hospital though." The deserted house didn't look like any kind of psychiatric ward that he'd been to and weirdly enough, his job had taken him to a few. "Do you know how we got here?"