People don't plan to fall in love, but it's good to understand what you love about someone.

[ Every year of students are close, and Nanami has no rock to throw at Geto. He fell for his classmate too. Fell hard and didn't see it coming until it happened. He's had years to reflect on it, something Geto hasn't. Nanami also doubts Gojo and Geto spent much time reflecting on it after... well, after. ]

He doesn't know how to be still. Almost ever. Sleep is a rare exception. Fortunately, there's many people to socialize with here.