The Thursday methodology discussion ran eighty-three minutes, which was three minutes over their standard schedule and entirely the fault of a dataset anomaly in the boundary conditions analysis that Yutong had flagged at the end of the hour and that Sicheng had wanted to look at directly rather than defer to the document.

She had brought the raw parameters as requested. He had reviewed them and identified the source of the anomaly — a measurement artifact in the third dataset, not a flaw in the model — and they had spent twenty-three minutes confirming this with a precision that was, she recognized, characteristic of how both of them worked: neither satisfied to approximate when exact was available.

The methodology was in good shape. The paper was progressing. The collaboration had produced, over thirteen weeks, a framework that was demonstrably stronger than either approach had been independently. These were the facts of the Thursday discussion, and they were good facts, and she had been present for all of them and had contributed to all of them and had also been aware, for the entire eighty-three minutes, of the existence of *Can we go for coffee?* and *Yes.* in the shared document.

He had not mentioned it. She had not mentioned it. The discussion had been what the discussion was: work, and it had been good work, and she thought this was correct — that the work should be allowed to be what it was, without being made to carry anything extra, because the work was its own thing and had been its own thing for thirteen weeks and was not about to be compromised by the fact that they had also, in the past five days, had a different kind of exchange in a different section of the same document.

When they finished, she closed her notebook. He saved the document. They both reached for their jackets in the specific simultaneous way that happened when two people had been working in the same space long enough to know when the other was about to leave.

"Coffee?" he said.

One word. Not a question — the question had already been asked and answered. Just: the time had arrived, and here they were.

"Yes," she said, which was also one word, and also not new information, but which felt like the correct thing to say anyway.

---

They walked out of the Ashworth Building together.

This was the detail that registered first, before the cold or the dark or the Edinburgh December evening doing its Edinburgh December thing outside: they were walking out of the Ashworth Building together, in the same direction, which they had never done. For thirteen weeks they had been in the same building and had gone separate directions at every exit point — different labs, different stairs, different routes home. The building had always been the frame, and they had moved through it in parallel, and the parallel had been productive and careful and had contained, she now understood from the full arc of the shared document, considerably more than it appeared to contain on any individual day.

Now they were outside.

He held the door as they left, not in a performative way but in the way of someone who had simply arrived at the door first. She went through. Edinburgh in December at five o'clock: already dark, the streetlamps orange against the wet stone, the particular cold that came with early night and the end of a working day.

She knew where they were going. She had known since he asked — Forrest Road, the café on the corner, the one she had found by accident in her first week and had been to twice without mentioning it to anyone, including him, and which he had somehow known to bring flat white from in October before she had told him what she drank.

She had not asked how he knew. She had filed it in the category that now had a name and had moved on. The category was still accurate.

They walked down the Ashworth steps and turned onto the street and the city was doing what it did in December: committing to its weather, its dark, its stone, with the particular Edinburgh patience that she had been observing for thirteen weeks and had stopped finding oppressive approximately six weeks ago.

They did not talk on the walk. This was not uncomfortable. It was the same quality of walking-silence she had with Marcus, or with Dr. Osei sometimes, the silence of two people who did not need to fill a space to confirm that the space was good. She noticed it, as she noticed most things, and filed it, and continued walking.

She noticed other things: the way he walked at the same pace as her without adjusting, which meant either their natural pace was the same or one of them had calibrated to the other without noticing, and she was fairly certain which one it was. She noticed the way he looked at the city as they walked through it — not performing attention, just seeing it, the way you saw things you had been looking at for a long time and which had accumulated a specific kind of familiarity. She had been in Edinburgh for thirteen weeks. He had been here for four years. The city looked different at four years.

She thought about that: four years of this city. She thought about what it meant to have built your reference points here and to have them be both stable and, as he had said, less stable than expected. She filed this without examining it further. They turned onto Forrest Road.

---

The café had four tables along the window and a counter at the back and the specific quality of warmth that came from an espresso machine running all day and a small space that had been occupied by people. They took a table by the window — not assigned, just the natural table, the one with two chairs facing each other and the street visible through the glass.

She ordered. He ordered. The person behind the counter knew his order, she noted, which confirmed the frequency of his presence here.

They sat down.

There was a beat of adjustment. She was aware of it — they were both aware of it — the slight recalibration that happened when you moved from a space with a defined function to a space without one. The conference room had an agenda. The shared document had a structure. The café on Forrest Road had a window showing Edinburgh rain and two cups of coffee and no other instructions.

She thought: we have been building vocabulary for thirteen weeks in a specific language, in a specific space, and now we are in a different space and the vocabulary does not transfer automatically. This is interesting. This is also fine.

"The anomaly in the third dataset," he said.

She looked at him.

He almost smiled — the contained version, the one that arrived before the decision to have it. "I know. I'm starting with the dataset."

"It was the right call to check it directly," she said. "The artifact would have complicated the boundary conditions analysis."

"Yes." He looked at his coffee. "And now it doesn't."

"And now it doesn't," she agreed.

A beat. The café continued around them — someone ordering at the counter, the sound of the machine, rain on the window. This was Edinburgh in December, and they were in it, in a café, not going separate directions.

"I find it easier," he said, "to start with something I know."

She understood this. She also did it. "The data as entry point."

"The data as entry point." He looked up. "You do it too."

"I do it too."

They sat with this for a moment — the recognition of a shared method, which was also a recognition of something about each other that was beyond the method.

She thought about the catalog. She thought about the thirteen weeks of observations accumulated in a file that had a name. She thought about the specific quality of being seen — not in the performed way, not in the way of someone who was being observed with an agenda, but in the way of someone who had simply been paying attention and had accumulated data that turned out to be accurate.

He had been watching her navigate the building's social geography since her first week. He had noticed the front-row decision. He had clocked her reading of rooms and understood its origin.

She had been doing the same thing. The parallel watching. The simultaneous accumulation.

*I find it easier to start with something I know,* he had said. The data as entry point into the conversation, as a bridge from the space they had just left to the space they were in now. She understood this completely. It was, she thought, possibly the most honest thing either of them had done in thirteen weeks.

---

"Tell me about Shenzhen," he said. Not Chengdu — he had asked about Chengdu in the conference room in Mandarin. This was different. Shenzhen: the city she had chosen, or that had chosen her, or both. "What was it like, growing up between the two."

She thought about how to answer this honestly. Not the answer she gave when people asked about her background — the efficient summary, the résumé version. The actual answer.

"Disorienting," she said. "In a way that was also useful. Chengdu is — Chengdu knows what it is. It's been itself for a long time. Shenzhen is still deciding. Every five years it's a different city." She held her coffee with both hands. "I grew up learning how to orient myself in places that didn't have fixed reference points."

He was listening. Not nodding to show he was listening. Just actually attending.

"That's why you read rooms the way you do," he said.

It was not a question. She looked at him. "What do you mean?"

"You walk into a space and you immediately understand its structure. The first day in the seminar — you sat in the front row because you were there to work, not to manage visibility. You read the building's social geography before you'd been here a week." He paused. "You did it faster than most people do after a year."

She had not known he had been watching her do this. She thought about the catalog she had compiled about him and understood, with some degree of clarity, that he had been doing the same thing.

"You didn't have fixed reference points either," she said. "Coming here."

He looked at his coffee. "Edinburgh was the first city I'd lived in where I didn't have a community already established. In Taipei there was family, school, context. Here —" He stopped. "Here I had to build the reference points."

"How long did it take?"

"Two years, approximately." A pause. "Although some of the reference points I built were less stable than I thought at the time."

She did not ask him to elaborate. She understood what he was not saying, and she thought he understood that she understood, and this was fine — not everything needed to be said directly. They had been communicating sideways for thirteen weeks. Some things were clearer sideways.

"Shenzhen taught me to build reference points quickly," she said. "And not to need them to be permanent."

He looked at her. Something in his expression that she had been learning the grammar of over thirteen weeks — the version of his face when something landed accurately, when what she said fit the space it arrived in precisely.

"That's useful," he said. "Here."

"Yes," she said. "It is."

---

They talked for an hour and twenty minutes.

She would note this afterward: the duration, which was well past the point where the coffee was finished, which was well past the point where either of them had any professional reason to be in this café, which was exactly the duration of two people who had a lot to say and were finding, with some surprise and no small amount of relief, that the saying was easy.

He told her about his sister. She told him about her mother's opinions on Edinburgh weather, which she had been delivering via video call with the authority of someone who had never been to Edinburgh but had strong views. He laughed — a different laugh than the contained smile she had been cataloguing, something that arrived without management, that she filed in the category that was no longer nameless.

She did not think about the shared document. She did not think about the paper or the methodology or the boundary conditions or the thesis timeline. She thought about those things all the time and would think about them again tomorrow, and they were important things, and they did not need to be present here, in a café on Forrest Road, in December, in Edinburgh.

What was present here: the rain on the window, the warmth of the café, the way he held his empty coffee cup without putting it down because putting it down would have been a signal to leave, and neither of them was ready to signal to leave.

At some point she said something about the particular quality of Edinburgh in December — how the darkness came early and stayed and the city contracted into its own light, its own warmth, its own interior spaces. He said he had found this difficult in year one and then, at some point in year two, had stopped finding it difficult and had started finding it correct. Like the weather, she said. He said: exactly like the weather.

She thought: this is what it looks like to know a city. She thought: this is also what it looks like to have been waiting for something to be worth knowing it for.

---

They walked out into the Edinburgh evening. The rain had committed to itself — not heavy, but certain, the kind of rain that had decided to be rain for the foreseeable future and was not apologizing for it.

She turned up her collar. He did the same, and she noted, not for the first time, that they had the same calibration for Edinburgh cold: the collar-turn happened at the same temperature threshold, which meant they had spent approximately the same amount of time developing opinions about Edinburgh cold.

They walked in the same direction for three blocks. This was the direction of neither of their homes — it was simply the direction away from the Ashworth Building, and they were both walking it, and neither of them commented on this.

She thought about the last time she had walked a city at night with someone. She could not immediately identify one. She had walked cities at night alone, frequently, because she liked cities at night and because being alone in a city at night was a thing she had always been able to do without it feeling like absence. This was not the same thing. This was different in a way that she did not have precise language for yet, and she was comfortable with not having precise language, and she noted the comfort as data.

At the intersection, they would split. She knew this. He knew this. The split was coming.

He stopped a few paces before it. She stopped because he stopped.

"Yutong," he said.

Not *Song* — the professional register. Not a slip — she knew his slips, had catalogued them, the times her name had arrived before the decision. This was not a slip. This was him saying her name, in December, on a street in Edinburgh, having decided to say it.

She looked at him.

He did not add anything. He had said her name and was looking at her with the expression she had been learning for thirteen weeks — the unguarded version, the one that appeared when the careful management relaxed and what was underneath became briefly, specifically visible.

"Goodnight," she said.

"Goodnight," he said.

She walked toward Marchmont. He walked toward his flat. Edinburgh rain on both of them.

---

She walked home thinking about his name for her, which had been her name — not a title, not a formal address, not a slip, just the two syllables of it said on purpose on a street in December after an hour and twenty minutes in a café after a Thursday methodology discussion that had run eighty-three minutes.

She thought: there is no entry for this in the shared document.

She thought: there does not need to be.

She reached her flat. She put on the kettle. She did not open the shared document, because the shared document was where they had been, and this was somewhere else — the street outside the café, the particular quality of Edinburgh rain, her name said by someone who had been careful with words for four years and had chosen to spend three of them on her tonight.

She made tea. She stood at the window. Edinburgh dark and wet outside.

She thought about the catalog she had been building since the flight in September. She thought about the file with the name she had given it in November. She thought about the email she had re-read and the whiteboard that had been erased and the coffee that had arrived before she asked for it.

She thought: this is what it looks like when someone has decided.

She thought about the silence outside after the conversation — an hour and twenty minutes of easy saying followed by three blocks of easy not-saying. She thought about the coffee cup he had held too long. She thought about the café counter person who had known his order, and the walk he had taken to the café alone on all the previous visits, and the particular fact that tonight he had not been alone.

She thought: he had been building reference points here for four years. She had been here for thirteen weeks. She did not yet know what her reference points in this city were going to be, beyond the Ashworth Building and Marchmont and the café on Forrest Road.

She thought: perhaps that was fine. Some reference points arrived in unexpected configurations.

She turned off the kitchen light and went to bed. She lay in the dark and listened to the Edinburgh rain and thought that thirteen weeks ago she had sat on a plane next to a person who had said her name at baggage claim, and now she was lying in Marchmont in December thinking about the way he had said it again, and that in between there had been thirteen Thursdays and eighty-seven document entries and a whiteboard bracket that neither of them had erased, and all of it had led here, to this room, to this rain, to the particular feeling of something being in the right place after a long time of being in approximately the right place but not quite.