The Door Lock Changes, Marriage Also Locks
6 min read

Chapter 3

Chapter 3 — The Door Lock Changes, Marriage Also Locks

Updated 10/08/2026 6 min read

Chu Canh Hanh looked at me as if he was listening to something extremely absurd.

"Are you planning on slowing down the progress of moving in because of this?"

"In all that progress..."

I looked at him.

"Has anyone ever asked my opinion?"

"You're busy with work, I'm doing this so you don't have to worry."

"So you asked me..."

"Do I want you to decide for me or not?"

He was silent. Trinh Vu stood for a while longer and then finally put his bag on his shoulder.

"I'll go home first."

This time Chu Canh Hanh did not hold her back. When she reached the door, she bent down to change her shoes. Next to her light gray sneakers was my suitcase. When she bent down, her hair fell slightly, revealing a very small mole behind her ear. I met her once. At a meeting with Zhou Canh Hanh's college friends. She sat next to him, carefully picked out all the coriander from his food, and reminded:

"Your stomach is not good, don't drink cold drinks at night."

At that time I just thought... The two of them are quite close. Only now do I understand. Familiarity, once without boundaries... Will become the most convenient travel ticket. Trinh Vu finished changing his shoes and turned to look at Chu Canh Hanh.

"The admin part of the door lock... I'll log out in a moment."

"No need."

She was stunned.

"You don't need to escape on your own."

"Because I want to see clearly."

"Who added you?"

"More from when."

"And then... what other rights does it grant you?"

Her face turned even whiter. I didn't look at her again. I opened the Device Details section, scrolled down to the bottom. There is a link note there. Note time is 8:30 a.m. June 14. The content is only one sentence:

"Any problems that arise at the scene will be handled by Trinh Vu."

I stared at that text. The light from the screen is too bright. So bright that my eyes sting. Chu Canh Hanh stood behind me, not saying a word for a long time. Trinh Vu also did not step out the door. She suddenly didn't know... Should I leave... Or should I stay. Understanding clearly for the first time. She didn't just temporarily open my door once. Which he... Incorporated completely into the operating procedures of this house. The next morning, I went to the building management service center. At first, Chu Canh Hanh said he wanted to go with him. I don't refuse. He drove me there, it was very quiet the whole way. Every time he stopped at a red light, he wanted to say something several times, but in the end he held back. It's not like we've never argued before. Most of them are very small things. He forgot to pay for gas, I came home from overtime and discovered there was no hot water. I had scheduled a house inspection for the weekend, but he was held back by the project at the last minute. Arguing until the end, neither of them really cared. Chu Canh Hanh always has a way to make things easier.

"Next time I'll remember."

"I didn't mean it."

"Don't be unhappy because of this little thing."

I also always feel that life is like that. Everyone has times when they are so busy that they can't keep up. Everyone will sometimes miss something. But today, sitting in the car, I suddenly remembered many moments that I had taken for granted before. For example, the first time we went to see a new house, the salesperson asked if we wanted to change the kitchen into an open-plan style. I said I don't like it smell of grease. Chu Canh Hanh said: "She's busy with work and usually doesn't cook much. An open kitchen will look more spacious and brighter." At that time I just laughed it off. Then we decided to make a semi-open kitchen. For example, when the design company asks how the office should be arranged. I said I wanted to leave a slightly larger table, so that I could still handle work after returning from a business trip. Chu Canh Hanh said: "She is often not at home, just do what I need first, then add more later." I also don't object. Because what he said isn't necessarily wrong. Indeed, I often travel for work. It's true that it's not every week that I stay in a new house. But when did "regularly go on business trips" gradually turn into "no need to consult"? Until now I still don't understand when it started. The management service center is located next to the south gate of the residential area, on the glass door is a handover poster of the new project. The girl at the front desk recognized Chu Canh Hanh and smiled and greeted: "Good morning, Mr. Chu." Then she looked at me again.

"Is this Mrs. Chu?"

Before I could speak, Chu Canh Hanh spoke first: "Yes, we want to check the entry and exit history and family member registration information." The receptionist nodded and led us to the small conference table inside.

"Which part do you two want to check?"

I placed the electronic copy of the house ownership certificate and ID on the table.

"Building B, unit 2, apartment 1402. I want to see the recent month's access history, visitor registration information, and a list of family members and regular contacts."

The receptionist girl looked at Chu Canh Hanh.

"This requires both owners to confirm."

"I confirm."

Chu Canh Hanh paused for a moment, then nodded. The receptionist girl quickly opened all the data. The notes have more than ten pages. She pushed the family contact information page forward. Zhou Canh Hanh ranked first. I came in second. Trinh Vu ranked third. In the notes section, write: Emergency contact and delivery coordinator during the repair phase. The registration date was June 11. I stared at the date. A whole day early, reset the door lock for two days. Chu Canh Hanh noticed my eyes and immediately explained: "That day the manager said that during the repair period, he should leave information of someone who could come to the scene at any time."

"Why not me?"

"That week I just found out I was in another province."

"Then why don't you ask me?"

"I thought you wouldn't notice."

I raised my head to look at him.

"I thought."

He said no more. The receptionist girl didn't know whether to continue or not, her hand placed on the mouse, looking a bit confused. I said: "Continue to view the entry and exit history." She quickly opened another board. Each line of history appears from top to bottom. June 12, Trinh Vu entered at 10:03 a.m., left at 4:48 p.m. June 13, Trinh Vu entered at 2:16 p.m., left at 9:42 p.m. June 14, Trinh Vu entered at 8:27 a.m., left at 11:09 p.m. June 16, Trinh Vu entered at 9:05 a.m., left at 3:36 p.m. June 18, Trinh Vu at 1:47 p.m. June 19, left at 7:12 am. I stared at the last two lines. Chu Canh Hanh followed my gaze and was silent for a moment. The receptionist girl quietly said: "Miss Trinh's entry and exit time that night was exactly like that. Maybe because the repair work ended quite late, the night shift management did not clearly state the specific reason why the customer left at that time."

"I know."

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