What does the song "River of Forgetfulness" mean

Do you want to ask "What is the meaning of the song 'Forget River'"? It expresses the meaning as follows:

This song expresses that in the middle of love, both sides go round and round, stepping over miles and miles of mountains and rivers. But in spite of this, both sides do not come together in the end. And the sentimental people, in order to be able to continue the former destiny, would rather wait in the River of Forgetfulness until a thousand years, just for this time to white head to old age.