CC Adi-lila 04.202 - BRS 3.2.62
Sri Caitanya-caritamrta
CC Adi-lila
CC Adi 4.202, Translation and Purport:
"Śrī Dāruka did not relish his ecstatic feelings of love, for they caused his limbs to become stunned and thus obstructed his service of fanning Lord Kṛṣṇa."
This verse is from the Bhakti-rasāmṛta-sindhu (3.2.62).