It will always be the sustenance of a person's heart. As long as the heart is far away, it is far away. If the heart does not want to have eternity, then there will be no eternity. Far away, close at hand, perhaps the distance between life and death.
What people describe in real life is always just a long-standing wish, which means that life will come to an end forever.
The love building built by vows is just a mirage of spiritual thoughts, and the eternal vows and promises that come everywhere are just a little night wind blowing gently in summer.