Five centimeters of detail per second.

The man lost the letter with tears in his eyes, but in the end he didn't tell the woman about it. I think the director told you that the woman also had a letter to let you know that even if the man didn't lose it, he wouldn't necessarily give it out. Just like that woman, this is a meaningless letter. Thousands of short messages on the mobile phone are pulled to a distance of one centimeter, let alone a letter. From the day that the man and the woman separated, there was affection between them.