Aoki tells Yushi that he must be suffering without his parents, even though he isn't.  She has good intentions, but Yushi is frustrated by her inability to see who he really is, and insistance that he has to be what she thinks he is.
Thanks, Chiaki-sensei.
!شكراً لك تشياكي-سينسي
Danke, Herr Chiaki!
Gracias, profesor Chiaki.
Gracias, profesor Chiaki.
Vous êtes le meilleur, M. Chiaki !
La ringrazio, professor Chiaki!
Valeu aí, Prof. Chiaki.
Спасибо вам, учитель Чиаки.