The Doctor glances down at his shoes. Well. Suppose it's fitting. He does travel places in his house through a vortex, even if it's a vortex of Time rather than wind. And often ends up in as magical places as Oz, often by accident. No talking lions yet, though. Tigers, though - he remembers playing violin for them. That was a strange one. Really wet planet.

"It's just around there," the Doctor answers, pointing to the next corner - closer now since they've been walking. He's not exactly sure what he should be getting Tony's attention for. Although if he proves trustworthy, perhaps he can help with repairing the TARDIS.

"And, weell... Medicine, temporal physics, warp matrix engineering, transcendental engineering, recreational mathemathics, cheese-making..."

It's probably better to simply assume the Doctor lies a lot, rather than that he's crazy. Though both are probably true. Still, it's easier to just go along with him. He doesn't have a grand plan (well, this version of him generally doesn't), and it was actually a coincidence.