He found himself listening to what his partner had to say, taking it all in and narrowing his eyes as he watched Lupin working on the potion. Something seemed amiss about that statement and Severus was nothing if not curious.
"You are, of course, referring to your cursed band of... friends, I'm sure." Severus tried not to slip and call them mindless gits or anything of the like, genuinely interested in what had been going on with Black. Lucius had already as much as admitted to messing with his mind, but Severus still had his suspicions about the group of Marauders that he wouldn't deny himself the answers to, if Lupin would be willing to share.