December 24, morning, seventh pill.

"We often use medicine as a means of 'healing'." The professor walked around the lecture hall, "The purpose of healing is recovery. It is the harmonious unity of the soul and the body."

“What about mental illness?”

"More than one disease. It refers to the unity between the individual soul, the body and the external world."

Yi Wan took the seventh pill in front of the bathroom. He stood in front of the mirror and carried out the habit he had maintained for the past few days - waking up every morning and observing himself in the mirror. He regarded himself in the mirror as a

The object, observing himself as he used to observe the external world. Eyes, eyebrows, and life, made him think of what made him up. So the soul returned to □□, and he achieved the harmony and unity between his soul and □□

.

The room was quiet, and there was still no sound. Yi Wan came out of the bathroom, and there was nothing on the dining table. When he turned around again, Yu Rongshi had already walked out of the kitchen, carrying two bowls of porridge and putting them on the table.

On the table.

"Have you packed it up?"

"Um."

"Would you like breakfast?"

"Um."

He was sitting across from Yu Rongshi drinking porridge. Where he was standing just now was a photo wall of the two of them. Photos of high school graduation, college graduation, recent photos of going to the park and skiing were all on it. Yu Rong

Shi said: “Where do you want to go today, go out, or stay at home?”

Yi Wan said: "Come with me."

Yi Wan rarely said anything like asking others to follow him to do something. Yu Rongshi just said: "Okay. Speaking of which, tonight is Christmas Eve."

The dining table became empty again. Yi Wan was sitting in the restaurant, waiting for Yu Rongshi to put the tableware in the sink. He heard Yu Rongshi say inside: "Yi Wan, we were all busy some time ago. In the kitchen

There is a lot of dust left. Why don’t you do some general cleaning at home today?”

Yi Wan said: "Take care of it when you get back."

Yu Rongshi said: "Okay. There is a lively Christmas party at my teacher's house. Can we go together tomorrow?"

Yi Wan said: "Okay."

Yu Rongshi said: "Have you seen the news about the new discovery of DNA helices this morning? What do you think this time?"

Yi Wan said: "Let's talk about it on the way."

Yu Rongshi finally came out of the kitchen. He was wearing a black coat and a white scarf. He looked as clean as Yi Wan. The hour hand pointed to "10" and they left the apartment. Yi Wan stood by the door, waiting for Yu Rong

Lock the door when the door is closed. This is what they have always done.

But at this moment, the door was wide open. Yu Rongshi stood at the door, stretching his neck to look inside. He didn't move for a long time. Yi Wan asked him, "What's wrong?"

Yu Rongshi said: "We are running out of toilet paper at home. I will go to the supermarket to buy some the day after tomorrow."

Yi Wan said: "Okay."

Yu Rongshi said: "Did you see the glass wind chime on the window? We bought this when we went to the flea market together."

Yi Wan said: "I know, there are traces of you everywhere in this house."

Yu Rongshi finally lowered his head and smiled. The smile was very light, allowing Yi Wan to catch only a slight arc from the side. Yi Wan stood between the elevator and the apartment door and said, "...You don't want to go out, do you?"

"It's too cold at the end of the year." Yu Rongshi said, "Yi Wan. I really want to stay at your house."

"..."

Yi Wan didn't move until the crisp sound of the door locking sounded. Yu Rongshi passed him and pressed the elevator button. He said, "Today is Christmas Eve. Yi Wan."

…

They walked around the university campus in the morning. The foggy college once held Yi Wan's dreams and the most important period of their youth. At least, they did learn something here in the end. No matter what it was,

This is not the original intention of university.

They finally ordered a casserole in the small cafeteria. The final exam was approaching and the cafeteria next to the library was very lively. Yi Wan sat across from Yu Rongshi, looked at them and said, "It's like this every year."

Yu Rongshi said: "Yes. These are your junior students. Maybe there will be a few assistants born among them who want to do the same research as you."

Yi Wan said: "I don't care. As long as I have read my works and they are thrown into the waste paper, it doesn't matter."

Yu Rongshi said: "It's great. You have firm faith and will never feel lonely about this kind of thing again."

Yi Wan stared at the students around him intently. The young students tried hard to pretend to be mature, but they still couldn't hide their idealistic childishness in the corners of their brows and eyes. He thought, this is good, they are the proud ones of this era.

They seemed to be one with him. In a trance, he saw himself walking among these children. These children were him, and he was the child of the future. So the world became four-dimensional in his four-dimensional world. He and

These children, as well as him walking around at every moment, and him filling the cafeteria, are unified.

Grand unification...the reduction theorem. A law on the four-dimensional level that transcends the timeline. Three-dimensional creatures have the ability to spy on higher-level laws because they have gained absolute perfection and freedom.

He unconsciously stirred the bottom of the casserole with his chopsticks. During peak hours in the cafeteria, it was obviously inhumane to occupy a seat like this. But someone pushed a cup of hot water in front of him. Yi Wan looked up and saw Yu Rong and said, "You haven't taken your medicine yet."

Bar?"

Yu Rongshi kept holding the water glass with his hand, with no intention of letting go. Yi Wan hesitated for a long time, and finally took out the medicine from his pocket. After his hand also held the water glass, Yu Rongshi finally let go.

While holding the medicine in his mouth, he heard Yu Rongshi say casually: "I'm still thinking, if I hand over the medicine every time, will you...

Can you bear to swallow it?"

The pills had slipped into the throat with the water. Yi Wan asked: "What's wrong?"

"I'm going to the bathroom." Yu Rongshi didn't look at him. He lowered his eyes and said calmly.

One person can't always occupy a table, especially when he keeps saying "there is someone here" to the students who are carrying plates and trying to share the table. After several times, Yi Wan finally walked outside the cafeteria. He sent a message to Yu Rongshi

, told him that he was waiting for him outside the building.

The sky in winter is very white. Yi Wan created mist through breathing under the gray sky, thinking about the law of normalization that he just had a flash of inspiration, a peerless breakthrough. Students in the cafeteria and canteen came and went... and went again.

Come. The library is gradually filling up with students, and the number of bicycles parked at the entrance of the cafeteria is decreasing. When the canteen starts steaming the third drawer of steamed buns in the afternoon, Yi Wan finally realizes something:

Yu Rongshi may not appear again.

The students were still walking sparsely, but the world suddenly lost its sound in Yi Wan's eyes. But he was still very quiet. He walked three times in the cafeteria and three times in the school, reading from the self-study books

Pavilion, to the kissing lakeside bench.

"Another person is here?" The aunt sweeping the floor greeted him.

Yi Wan left the school by car. The place he returned to was the middle school where he studied. His photo had been replaced at the entrance of the middle school with the top scorer in last year's college entrance examination. I wonder if the principal had ever thought about the fact that they had a student many years ago.

Number one scholar, I wonder what kind of life he is living now.

His junior high school and high school were both here. In those years when he was either lonely or envied, Yi Wan was quietly protected by another person here. He taught him what expressions looked like, and told him not to look at short-term loneliness, but to

Pursuing long-term goals... even in the long term, is lonely.

Yi Wan saw countless young people in the school again. Some guards looked at him curiously or warily, wondering why this young man could stand still here. He suspected that Yi Wan was going to break into the school, but Yi Wan

Wan did not stay, he left.

There was also the nearby elementary school...the place where Yi Wan had been bullied. He saw that there was no statue of David in the square, and he had been thrown into the garbage by the school due to the weather. Every child was there.

Among them, Yi Wan knew that the evil of bullying, loneliness and innocence was still happening. They chose animal aggression, and he chose the animalistic way of not integrating into society and being dissatisfied.

He still hasn't climbed over the wall.

The only time I climbed over a wall happened yesterday next to the reading room of the library. Yi Wan climbed in through the small window on the first floor, walked past the empty bookshelves and dust, and came to the old desk that had not been moved. The setting sun shone through the window.

The loneliness came in, and he lay on the table and fell asleep.

Before going to bed, he remembered the old lady in the library saying to him: "Xiao Yiwan, you always come to the library alone. There are very few children who can calm down like you. They all like to be with their good friends.

Play."

…

The phenomenon that people will get uniform results after repeated practice is called a theorem.

For example, when he opened his eyes from the table, he saw Yu Rong again.

Yu Rongshi held his chin and turned his face sideways. The sun shone on the back of his head, and his face faced the dark reading room. His image had a sense of illusion and unreality, and only the gloomy eyes were real.

Yi Wan said: "...Rong Shi?"

"Um."

"where did you go?"

"...I thought about it for a long time, but I still feel that I should come back to find you." Yu Rongshi said, "Let's go. We can go see the stars while it's just getting dark."

He rummaged out of the library first. He was as light as a swallow and did not shake off any dust. He stood under the window and stretched out his hand for Yi Wan to hold - Yi Wan only held the window sill with one hand and held it with the other.

Lived him.

Once, twice, and finally turned it out in a bit of embarrassment.

Yu Rongshi held his hand and walked on the river embankment in the sunset, just like they did when they were children and teenagers. There were jingling bicycles and cars of various colors passing by. But there was also river water, just like it had been a long time ago.

Gurgling by.

"Happy Christmas Eve!" When passing by a milk tea shop, a girl in an elk costume handed Yi Wan a red apple. Yi Wan took the apple without saying a word.
To be continued...