Ah. There it was. The reasonable explanation. She was insane. That didn't explain his presence here or the fact that -- from what he'd seen -- his surroundings did match up well with what he knew of the mid-20th century. But magic, and time travel? She was clearly delusional, and even as he looked at the address on the paper and the map, he wondered if the center was a real place.
"It's not a--" he began to explain before deciding it was a waste of words to point out it was a med kit and not a traveling bag. Hell, for all that, it was. It was his mobile infirmary. So Simon shook his head and let that go.
"It's all well and good that you think ... the things you do, but I need to find a way back. My sister ..." He trailed off and looked away. "I need to be there to take care of her." He exhaled softly and decided the best course was to at least see what was at the address, though he found himself suddenly wishing he had a gun. He wasn't much in a fight, but he thought he'd feel better anyway.