Remus' deadpan look is quite straightforward, despite the colour on his cheeks. And as Sirius might have expected, he has a something very dry and sort of nippy to say. "You have a peach fuzz that you think is beard." He means the younger version.

Then he clonks his elbows on the table, chin propped between his hands as he looks at old man Sirius. "I'm an entertainment for you, am I?"