There will be such a shadow in everyone's heart. Sometimes they wonder why they couldn't be together in the first place, and those who finally got together will wonder why they were not what they originally thought. Everything seems to be changing unknowingly until it is beyond recognition. And when you try to go back to the past and start over, you will find that the efforts you have made have made you neither embarrassed nor embarrassed in your current position, neither better nor worse. So, that's it, you said you would never let go, you said you would stay with me until the end, but I have forgotten, then, let's forget it.