Caitanya-caritāmṛta 14.179
ei bhāva-yukta dekhi’ rādhāsya-nayana saṅgama ha-ite sukha pāya koṭi-guṇa
[ei bhaava-yukta dekhi’ raadhaasya-nayana sangama ha-ite sukha paaya koti-guna]
Blended reading (Sanskrit + English inline)
ei bhāva-yukta dekhi’ rādhāsya-nayana saṅgama ha-ite sukha pāya koṭi-guṇa
“Lord Śrī Kṛṣṇa is thousands upon thousands of times more satisfied when He sees Śrīmatī Rādhārāṇī’s face light up from this combination of ecstatic love than He is by direct union with Her.
Purport
This is further explained in the following verse from the Ujjvala-nīlamaṇi (Anubhāva-prakaraṇa 41) of Śrīla Rūpa Gosvāmī.
— A.C. Bhaktivedanta Swami Prabhupāda
My note
Source: vedabase.io