[From the way Shinnosuke's mouth presses into a line and his body tenses, it might seem like he's seriously contemplating the merits of stabbing Percy, if only to shut him up.
...
Then, finally, his shoulders sag and he lets out a tired breath. Quietly:]
no subject
...
Then, finally, his shoulders sag and he lets out a tired breath. Quietly:]
Because I'm an idiot.
[Fine, Percy. You win.]