"Not if you aren't eating any," Severus says, because he highly doubts Antonin is - even though, honestly, as utterly whimsical and pointless as that remedy seems, the older man should be choking down a block of it a day, and should have been since the second he got out.

"But that isn't what I meant."

He offers Antonin the rolled bit of not-actually-illegal-here herb, intent on making his own after.