"Of course I do! A brain eating monster died wrapped around my head!"

Gestures to his head to indicate where he had a selection of gross tentacles tentacling all over him. Pace pace pace. Uuugh he has to say it.

"I think I caught some of your memories, actually - I guess it... dropped them...? You've still got all of yours, right?!"

Again, how would he know?! Amnesia is kind of a sore point for Popp and he's never at his best right after he wakes up. He's a growing boy he needs his ten hours.

"You're acting like you normally do, after all! I mean, you did take that thing out like a real swordsman, but..."

It's hard to imagine how having fewer memories would make you better at anything, especially just some very sad memories of your grandfather... This train of thought abruptly sparks. Popp is very close to putting things together.