Jim frowns faintly; he wonders, what the hell kind of place is this Gotham that they teach self-defense in the schools? But he doesn't ask; that's passing judgment, and they taught him not to do that in Starfleet. Every place and culture is different, and just because it's so different from his doesn't mean he gets to point out that he feels it's wrong. He may not have the whole story.

"I think a little improvisation is a good thing," he notes. "Teaching yourself, learning on your own. I think adhering too rigidly to the official disciplines can make you predictable. And you don't ever want an opponent to be able to predict your next move."