[He almost catches the words as he leaves, but when Robert returns he lets himself study the situation in more detail, at least long enough to confirm what he was seeing before.

It's alarming that they were fighting, though clearly it must not have been for anything more than practise, as they're obviously not angry with each other. Still...]

You are welcome, but... are you e-entirely certain you are alright...? I could get you to a more suitable environment...