After returning from their field research, Glenn and the others spend their days in different ways. On one such day, Leos visits the academy as a guest instructor, and causes a stir by proclaiming himself Sistine's fiance.
Did all that studying mess with your head?
هل جننتِ من كثرة الدّراسة؟
Hast du dich etwa
um den Verstand gelernt?
¿Te volviste loca de tanto estudiar?
¿Te has vuelto loca de tanto estudiar?
Tu perds la tête à force d’étudier ?
Per caso, a suon di studiare, ti è partita la brocca?
Estudar tanto 
mexeu com a sua cabeça?
Дозубрилась до белочки уже?