Before union, creatures never suffer sorrow. Hence, one who has not deviated from his original nature, never grieves when that union comes to an end.
प्राक्सम्प्रयोगाद् भूतानां नास्ति दुःखं परायणम्। विप्रयोगात् तु सर्वस्य न शोचेत् प्रकृतिस्थितः॥