"A little bit. It's part of it, I guess. It's processing sensory information from your environment into knowledge." Jungkook blinked. Was Namjoon even speaking Korean right now. Way too many big words, he didn't get it. "It's basically just thinking and how your brain works, I guess. I was thinking recently about retraining some parts of my brain and then I realised I should really just read up on cognition."

Of course, because that was a normal thing to do.

Jungkook sat himself on the floor, also bored by all the big boy talk and happily pulling out the duckie book, gesturing at Tae to read it to him. "What happens? What happens?!"