Seven years,
I spent four-sevenths of the time wandering in my memories and waiting,
The remaining three-sevenths are bumping around with you in reality.
How long is seven years?
"Kong Yizhe, more than two thousand five hundred days and nights, do you know how I got here?"
He smiled, "Liu Lian, do you know how many times my heart has been sad for more than 220 million seconds?"
…
Time ranges from small to very small, to large to very large.
The difference in measurement units predicts the so-called eternity.
Once upon a time, we suffered from a terminal disease called "love".