He merely listens, making sure to absorb every word. He would interfere, but as this is the Rodolphus that Severus knows, it is not his place. Yet. All this talk of Aurors is entirely too familiar. He resolves to discuss...other matters with Rodolphus at a later time, when they are home.
As they begin to calm, he arches an eyebrow at Severus and Rodolphus. "Were we to stand here all day, or were we to eat and continue any discussions over food like rational, civilized people?"
Tactfully he turns to Minerva. "It's a pleasure to see you, Professor. How are you faring? Of course, we would be delighted if you would join us."