"It doesn't, other than we keep an eye on Yuy." Duo doesn't make much of a habit of babysitting his fellow pilots - they're all just as deadly as he is, after all, but it wouldn't due to lose Heero to some stupid stunt early on because he's in denial about his limitations or something. At least until they establish what's going on, though hints or the man himself, Duo is more than a little concerned about everything writ large.

Then, as an afterthought, Duo tosses a hand up and amends: "Y'know. Without making it too damn obvious."