By exhibiting your love for Krsna
Srimad-Bhagavatam
SB Cantos 10.14 to 12 (Translations Only)
You have rightfully claimed the privilege of unalloyed love for the transcendental Lord, O most glorious gopīs. Indeed, by exhibiting your love for Kṛṣṇa in separation from Him, you have shown me great mercy.
SB 10.47.27, Translation: You have rightfully claimed the privilege of unalloyed love for the transcendental Lord, O most glorious gopīs. Indeed, by exhibiting your love for Kṛṣṇa in separation from Him, you have shown me great mercy.