Dreams often reveal past regrets and reluctance to mention them. After the war, Harry began to be troubled by insomnia. The Dreamless Potion was finally forced to be used, and Harry didn't know how long this situation would last.
The seasons change, time passes, the years are impermanent, and the most rare and ordinary thing is the rising and setting of the sun.
As day goes by and night approaches, a purple line sinks across the horizon, and is eventually disintegrated by the black curtain.
There is a lily by the window, which matches the breeze and looks at the young man's peaceful sleeping face.