If I hadn't met you during that flamboyant youth, who would I be now?
If I was no longer willful many years ago, would we have another four years? If...
There is no regret medicine in the world, no matter how many ifs you have, they are just ifs.
Just... Thank you, when I turned around, you still stayed where you were.
"When you meet someone, you will grow old, and you will choose a city to grow old in." I think this is our most beautiful ending.