[The combination of the horribly bad timing of everything and the fact that Don's voice sounds incredibly strained - even to Robert's perception - means that, for once, he picks up on the implications of this.]

... I-I am glad he is back, but... he is in terrible shape, isn't he.

... What did the Malnosso do to him? Is there any way I can help?

[This might take Robert's mind off his own pain that he may or may not go through later.]