So they were just rats in a cage here. That's more or less what the letter had implied, wasn't it? They were here to be observed. Observed while they tortured people with dementors and ... loud music, apparently.
The potion sounded almost too good to be true and he wondered what it meant for werewolves after it was invented. Of course, there would still probably be werewolves who didn't take the potion or who attacked and turned others even if they had it. So he couldn't imagine things changed all that much, as far as acceptance went.
"Are we sure Severus brewing something for me is a wise idea?" He asked doubtfully, assuming that's why she had brought up the other wizard's name. Unless Snape had also become a werewolf, but his first assumption seemed more likely to him.
"It does all sound mad," he agreed a little distractedly as he decided he just needed to spit it out. "How much... well, do you know what happened to you and James? With Sirius here... he ... he betrayed you both. I don't know... if he's sixteen ..."
But he didn't think he could look at Sirius without thinking about what had happened, even if it hadn't happened for the other boy yet. Who knew, really, when Sirius had turned sides.