[John raises a brow and smirks.]

I think most would say it's a little cold for a swim, mate. Or is there something more personal there?

[He begins walking, headed toward the water, body tensed to pull his gun into a firing stance at a moment's notice.]

I don't suppose hybrid-dragons much like the cold?

[And that invited the question of whether Ryu was cold-blooded. John thought it prudent to hold off on scientific inquiries just then, though.]