Yu Shan was still frowning and pondering, and the carriage was slightly awkwardly quiet for a few seconds. Before the bear child asked, Zhao Xiaomeng spoke: "Xiong Hai, find a place to eat." ”

In Zhao Xiaomeng's opinion, it is almost five o'clock to trouble people for a day, no matter how much the meal is really unreasonable.

Yu Shan also reacted, and hurriedly said, "Yes, eat first." There is a Korean barbecue on Zhonghua Road, how about eating barbecue? ”

If you don't have the eyesight to see it, you can see that Yu Shan's state is wrong. Shan Jie hurriedly said: "No, no, I'm going to my father-in-law's house for dinner today, let's go another day." ”

The little fat man Xiong Hai also said: "I also have dinner in the evening, and it was set a few days ago." ”

Yu Shan and his wife insisted on inviting, but Xiong Zi and Shan Jie resolutely refused. Pushing back and forth for a long time, seeing that the two of them couldn't move, Yu Shan said: "Okay, let's do it another day, let you slaughter it another day." ”

So Xiong Hai drove Shan Jie home first, and then sent Yu Shan and his family back. When he arrived at the place, Xiong Hai didn't even get out of the car, so he said hello and left.

As soon as the person left, Zhao Xiaomeng touched Yu Shan with her arm: "Husband, are you enchanted today?" What do you want? ”

Yu Shan smiled bitterly and said, "A little thing has passed." ”

Seeing that Yu Shan really didn't want to say, Zhao Xiaomeng didn't continue to ask. The two of them bought a few baked cakes, went home and made a tomato egg drop soup, and hastily dealt with it even if they had dinner. After eating, Zhao Xiaomeng cleaned up the dishes and chopsticks, Yu Shan ran into the bedroom, found a notepad and a pen, and began to think about it on the computer desk.

He remembered the rules Joss had told him, writing them down bit by bit.

Rule 1: No matter how long it has been in the past, it will always be two minutes relative to the plane.

Rule 2: History has inertia, and there is resistance to changing history.

Rule 3: Change history, and when you return to your own plane, your memories will refresh, causing damage to your brain.

Rule 4: A maximum of four weeks at a time, after the time limit, the rejection reaction will intensify and the resistance will increase.

Rule 5: You can only pass through the door, and the same goes for returning.

Rule 6: As with Rule 1, no matter how long you stay in 2015, it will always be equivalent to 98 minutes in 2 planes.

Rule 7: Do not approach yourself or extremely close people from past time and space.

After writing, Yu Shan recalled again, convinced that he was not mistaken, and began to ponder these rules. Rule 1 and Rule 6 can actually be combined together to form one. This has been proven and there is nothing wrong with that.

Rule 2, Yu Shan put a question mark. Perhaps his influence on history is not serious enough, so he has not encountered inexplicable resistance so far. Maybe he's already met it, but there's no way to know.

Rule 3 has also verified that every time Yu Shan returns to a time and space for a year or five, his memory will be refreshed, and the severe headache and dizziness will make Yu Shan feel painful.

Rule 4 Yu Shan also put a question mark, out of trust in Qiao Si, Yu Shan never stayed for more than four weeks in 98 years, so this article cannot be verified for the time being.

Rule 7...... Yu Shan once met his past self from afar, and that time he was inexplicably hit by something and almost died under the wheel.

Joss has never studied in college, let alone a science fiction fan who likes science fiction literature, he will only summarize the laws of Yesterday's Gate, and will not consider the physical laws behind Yesterday's Gate.

When Qiao Si told Yu Shan about Yesterday's Gate, Yu Shan's first thought was not to believe it. Because the existence of the Gate of Yesterday is a serious violation of the paradox of time and space. Yu Shan once used the 'stepping, dog, and theory' to describe to Mr. Xiao Zhang, that is: you stepped on dogs and in the past, and now you go back to the past to stop your past self from stepping on dogs and. However, since you didn't step on dogs and in the past, you won't go back to the time when you stepped on dogs and last year to stop yourself, so you don't exist anymore when you stepped on dogs and last year. And because you have stepped on dogs and now, you have never existed at all, so you will still step on dogs and according to the established route last year.

This is a serious paradox! But yesterday's gate does exist, after all, Yu Shan personally verified it. Since that door avoids the space-time paradox and can still affect the present, it means that after returning through that door, the space-time where Yu Shan is located is not the original space-time.

Mr. Xiao Zhang once had a conjecture that space is not the only thing, that is, no matter what you do or don't do in this world, it will lead to the division and derivation of the world. Your actions will lead directly to future developments. That is, there are infinite spatial dimensions in the same time dimension. Anything that happens on a timeline is predestined on that timeline and absolutely cannot be changed. Any attempt to change this timeline will likely result in a new timeline.

In other words, every time Yu Shan travels back, he will be in a new timeline.

Yu Shan is just a half-sci-fi fan, and this is the closest thing he can to the truth of Yesterday's Gate. He used to think that the door was like this, but now that the weirdness broke through his cognition, he had to reacquaint himself with the door.

He began to think back to what he had done on his previous timelines, and how his surroundings had changed since he made the leap to the new timeline.

For the first time, Yu Shan bought a pack of peony cigarettes and drew a well character above the lintel. After returning, the new timeline has not changed anything, and Old Joe is still waiting for him in the store, with an extra pack of peony cigarettes in his pocket and an extra well character above the lintel.

The second time, Yu Shan found that the time and space of ninety-eight years had been pushed forward by five days, and then hurriedly returned, and the new timeline was still almost unchanged.

The third time, Yu Shan stayed for a few days in 98, buried Qiao Si, helped Xu Hui easily, and saw himself in 98 from afar, and then he was almost hit by a car. The new timeline has changed a little, and Officer Ma, who is in charge of handling the disappearance case, suddenly feels that Yu Shan is a little familiar.

The fourth time, Yu Shan accidentally saved Gangzi, and the new timeline changed strongly, like a butterfly effect, and his friend Shan Jie was paraplegic, and then committed suicide by taking poison in the first five years of the new timeline.

The fifth and most recent time, Yu Shan did a lot of things, the most important of which was to abolish Gangzi. The new timeline has changed even more, Shan Jie has returned to his original destiny trajectory, and the strange thing is that Yu Shan himself embarked on a different path in 2011.

When he first came back, Yu Shan was still thinking about using quantum theory to explain everything that happened, but now that he looks back, it is obviously wrong! If that's the case, then the world will likely be unrecognizable when he first crosses back in time, and it will never remain the way it was. Five times to travel as a sample, the first two Yu Shan almost did not have any effect on the ninety-eight years, so after the jump, the new timeline hardly changed.

Taking the third and fourth samples as an example, the changes in the new timeline are directly or indirectly caused by Yu Shan's change in the past, whether it is Officer Ma, who he thinks he is familiar with, or Shan Jie's disability. What happened to the weird fifth time?

Yu Shan pondered, and the carbon pen in his hand unconsciously scribbled on the notepad, drawing a tree-like timeline model. By the way, Yu Shanmeng remembered something. He rolled up his sleeve and looked at his right arm, where the once hideous wound had been scarred and now a pink thread remained.

Either way, the wound is still there. In other words, the moment he returned, Yu Shan himself did not jump in memory, but the whole person jumped to a new timeline.

After thinking about it and clarifying his thoughts, Yu Shan wrote on his notepad: "Rule 8: Jump the timeline, not a memory jump, but a human jump. A moment later, a paragraph was added at the end: "At the same time as the jump, the original self disappeared in the new timeline." "It's natural, otherwise there would be two Yushan on the new timeline.

Next, Yu Shan couldn't figure it out, how could the other Joss disappear at the same time that the other self disappeared? Could it be that because he jumped to the new timeline and brought over the cause and effect that didn't belong to the new timeline, Qiao Si disappeared? This is so nonsense that Yu Shan can't even convince himself.

After concentrating for a long time, Yu Shan began to have a faint headache. He rubbed his temples and began to smile bitterly. There's a saying that 'what you think you think is just what you think', and all descriptions of that gate so far have been based on speculation, and some of the factual basis has become a joke in the face of all kinds of anomalies.

The more I think about it, the more confused I become. Yu Shan's mind is now full of questions...... Why did Joss disappear? Why did it only take two minutes to go back and forth? If two minutes is the time limit for that door to open, what would be the difference between the first second of the person who went in and the last second of the person who entered? What happens if the door is left open? Is that gate unique? If it weren't the only one, wouldn't there be countless people who had been in the ninety-eight years? If it is the only one, then after the first round trip, it is impossible for Joss in the new timeline to still retain the memory of that door......

Yu Shan had a headache, and at this time, a pair of slender hands gently pressed on Yu Shan's shoulders. Daughter-in-law Zhao Xiaomeng gently kneaded Yu Shan's stiff shoulders and said, "Look at your sad face, what do you think?" ”

Yu Shan said casually: "What you think is just what you think." ”

The tongue twister made Zhao Xiaomeng stunned: "What about the tongue twister?" ”

Yu Shan smiled: "This is a very complicated issue, forget it, don't think about it for the time being." Oh, by the way, why don't you take two more days off? ”

"What are you doing?"

"Ming'er will pay back the rest of the money, and then let's go to see the car."

Zhao Xiaomeng was instantly happy: "I want to buy a car!" She smirked and said, "I don't have high requirements, just Saiou, many female teachers in our unit open Saiou." ”

Yu Shan said: "You don't care what car you buy, I promise you will like it when the time comes." ”