Holding Levi like this makes Finnick feel a little like Levi is his. Of course he's Erwin's first, but... It's still a nice feeling. He realizes he wants that, but he's not going to rush anything.

"Yeah, you got it. The cortex is just the noodly part of your brain, I think. The frontal cortex is here-" Finnick grips a hand to Levi's forehead- "and it's where all the more complicated thought and reasoning happens."

He bursts out in laughter at the blowhole question.

"Yep, that's-- that's what it's called. When they surface, they blow air out of it to clear it before they breathe in."