[Barnaby pauses a moment at that. Honestly, he thinks Hiro should just go ahead and tell Tadashi what happened. Enough people know by this point that it's bound to get back to him sooner or later, and Tadashi ought to hear the story from Hiro himself.

Still, it's not his place to tell Hiro how to handle his brother (it barely involves him, and he hardly knows the man), so instead he says:]

Do you really need to justify why you're worried about it, though? He's the only family you have here, and you'd already spent a month without anyone from home by the time he appeared.