CC Antya 13.64

ei-mata māsa dui rahilā vṛndāvane
caitanya-viraha-duḥkha nā yāya sahane
Word for word: 
ei-mata — in this way; māsa — months; dui — two; rahilā — remained; vṛndāvane — in Vṛndāvana; caitanya-viraha — of separation from Śrī Caitanya Mahāprabhu; duḥkha — unhappiness; yāya sahane — could not tolerate.
Translation: 
They passed two months in Vṛndāvana in this way. Finally they could no longer tolerate the unhappiness of separation from Śrī Caitanya Mahāprabhu.