Haruki hears about Kazusa's moving from her mother, who she hadn't been on good terms with.  He feels betrayed and angrily confronts her.  But his words force open the door to Kazusa's heart, which she had desperately tried to keep closed so that the three of them could stay together.
Even you took two months.
Selbst du hast zwei Monate gebraucht.
Incluso a ti te tomó dos meses.
Incluso tú tardaste dos meses.
Même toi, 
 tu avais mis deux mois.
Até você levou dois meses.