(1) Fuji is very good at following the rules.

(1b) When he thinks they're interesting and relevant and aesthetically pleasing.

(1c) It is not his fault that so few rules fit those requirements.

(2) He actually does care about playing tennis.

(2b) In the way that cats care about playing with yarn or chasing mice or staring at humans unnervingly.

(2c) Sometimes it's diverting, sometimes he'd rather sleep.

(3) He's also straight.

(3b) Though there's never been any proof.

(4) He doesn't understand Tezuka, and sometimes it surprises him to find how much he wants to.

(5) There are few things that he'll ever have trouble letting go.

(5b) He considers this a good thing.