Montague flinched in empathy upon hearing Rodolphus found out, more so when he continued stating that he thought he could take it on his own. He had half a mind to repeat back the same words they had shared over Guilian's thoughts along the same lines; and yet, he'd learned to stop doing such a thing, nevermind that in both instances it was too late to lecture.
Hearing that his not-cousin was no longer an Auror, however, Montague frowned, leaning forward, hands threading cradled in his lap. "I'm sorry." He knew Cass had enjoyed his job, losing it was probably hard on him.