Sita and Rama Separation

A legend by Rishi Agastya in the epic states that Vishnu in a previous age had been cursed by a rishi, whose wife had been killed by Vishnu for sheltering his enemies escaping from battle. The Rishi condemns Vishnu to be denied for a long age the companionship of his soul mate, just as Vishnu, by an inadvertent display of anger, had deprived the rishi of his loving wife. Thus Rama, Vishnu's incarnation, must live the rest of his life without Sita