Souma is worried about his older brother because when he's focused on work, he neglects food and sleep. After discussing it with his friends, Souma decides to make a bento lunch for his brother.
You really can't tell when he's tired.
لا يمكنك أن تعلم حقّاً ما إن كان مُتعَباً
Dem sieht man
die Erschöpfung echt nicht an!
De verdad no se le nota el cansancio.
En serio, no se le nota el cansancio.
On ne le croirait
vraiment pas fatigué.
Non sembra per niente stanco.
Não dá mesmo pra saber
quando ele está cansado.
И не скажешь, что устал.