[And as much as Puck dislikes being ignored he certainly doesn't expect people's eyes not to glaze over occasionally with how much he tends to talk - especially when he's just being silly anyway - so no offense taken (even if offense was intended). And sinister people tend to be fun! He answers enthuiastically, as if he doesn't notice the creepy tone.]
Oh, those early, basic lectures shouldn't be dismissed as boring. In my own humble teaching experience they're the most fun. Unmolded, impressionable minds without much need for damage control - ah, at least when it comes to one's specific field? Very rewarding to teach.