If love is to stay together. In fact, it is separation.
It's not necessarily the person that others think is the most suitable that you want. In fact, the person in your own heart is the person you want. Even if you are disappointed in the end, you have done what you wanted.
She was the goddess of heaven, but she fell in love with someone she shouldn't have.
He is the king of the country, but he sticks to someone he shouldn't be.
Maybe, in this world, lovers will never be able to stay together.