aher iva gatiḥ premṇaḥ
svabhÄva-kuá¹ilÄ bhavet
ato hetor ahetoÅ› ca
yÅ«nor mÄna udañcati
aheḥ - of the snake; iva - like; gatiḥ - the movement; premṇaḥ - of the loving affairs; svabhÄva - by nature; kuá¹ilÄ - crooked; bhavet - is; ataḥ - therefore; hetoḥ - from some cause; ahetoḥ - from the absence of a cause; ca - and; yÅ«noḥ - of the young couple; mÄnaḥ - anger; udañcati - appears.
This is a quotation from ÅšrÄ«la RÅ«pa GosvÄmī’s Ujjvala-nÄ«lamaṇi (ŚṛṅgÄra-bheda-prakaraṇa 102).