gopi-preme kare krsna-madhuryera pusti
madhurye badhaya prema hana maha-tusti
gopi-preme—the love of the gopis; kare—does; krsna-madhuryera—of the sweetness of Lord Krsna; pusti—nourishment; madhurye—the sweetness; badhaya—causes to increase; prema—the love; hana—being; maha-tusti—greatly pleased.
The love of the gopis nourishes the sweetness of Lord Krsna. That sweetness in turn increases their love, for they are greatly satisfied.
Link to this page: http://prabhupadabooks.com/cc/adi/4/198