yadyapi antare krsna-viyoga badha ye
bahire na prakasaya bhakta-duhkha-bhaye
yadyapi—although; antare—within the heart; krsna-viyoga—separation from Krsna; badhye—obstructs; bahire—externally; na prakasaya—does not exhibit; bhakta-duhkha-bhaye—fearing the unhappiness of the devotees.
Although Sri Caitanya Mahaprabhu felt pangs of separation from Krsna, He did not manifest His feelings externally, for He feared the unhappiness of His devotees.
Link to this page: http://prabhupadabooks.com/cc/antya/6/4