[He's been sitting near the back, not taking notes because poison is not his weapon of choice, but more because it's hardly seemly. Curiosity can be passed off as only that; diligent study is likelier to raise suspicions, and that of course is to be avoided at all costs.
Pity, they could have interesting conversations.
Eventually he makes his way over to say hello.]
I'll have to confess I didn't follow all of it, but that was an interesting class. I'm sorry I missed the rest of the semester.