“Have we met before?”

 

She said it the way people do when the question is already half an answer.

 

Jonah paused with his hand hovering over the café door, rain ticking softly against the glass behind him. He studied her face: dark eyes, a faint scar at the edge of her eyebrow, the nervous habit of pressing her thumb into her ring finger as if checking for something that wasn’t there.

 

“No,” he said, and hated the lie the moment it left him.

 

They sat anyway. That was how it always happened.

 

* * *

 

The first time — the first first time, Jonah corrected himself — it was the machine that broke him. A cylinder of humming rings in a subbasement lab, paid for by a government committee that didn’t understand it and a private donor who understood it too well. Temporal displacement, they called it. Jonah called it a bruise in reality.

 

The rules were simple until they weren’t. You could travel backward along your own worldline, but not forward. You could observe. You could interact, a little. And you could not, under any circumstances, create a paradox large enough to collapse causality. The machine enforced that last rule with merciless elegance.

 

Lena Hart was the ethics officer assigned to the project. She asked dangerous questions. She wore her skepticism like armor. Jonah fell in love with her over shared coffee cups and arguments that stretched past midnight.

 

Then he broke the rules.

 

He went back six years to prevent an accident he remembered too clearly — the fire in the auxiliary wing, the alarms, the scream cut short. Lena’s scream.

He arrived twenty seconds too late.

 

He returned to the present with ash in his hair and blood on his hands that wasn’t there anymore. The machine logged the attempt. The committee buried it. Jonah buried himself in work.

 

Then one morning, Lena walked into the café across the street from the lab, looked at him like he was a stranger, and said, “Have we met before?”

 

* * *

 

Jonah learned the pattern slowly, like a man learning the tides by losing boats.

 

Every temporal jump frayed something. Not the universe, just him. The machine protected the timeline by redistributing memory. Events still happened, but personal connections slipped. Faces became unfamiliar. Histories dissolved into static.

 

The universe, it turned out, was ruthless but tidy.

 

Lena forgot him completely after the second jump.

 

After the third, she forgot the lab.

 

After the fourth, she forgot time travel was possible at all.

 

But Jonah remembered everything. So he adapted. He stopped trying to save her from the fire. Instead, he shifted her away from it.

 

Success came quietly. Lena lived.

 

And forgot him anyway.

 

That was the cruelest part. Survival did not restore memory. The machine didn’t care about love, only continuity.

 

Jonah resigned from the project with committee approval. He sold his apartment. He learned which cafés Lena preferred in each version of the city, which habits stayed constant across timelines like fossils in shifting rock.

 

She always liked the window seat, always stirred her coffee counterclockwise, and always noticed him before he spoke.

 

“Have we met before?” she would ask.

 

Sometimes he said no. Sometimes he said yes.

 

Once, disastrously, he told her everything. That version ended with her backing away, fear eclipsing curiosity, calling security while Jonah stood there pleading with a future she could not feel. After that, he learned restraint.

 

In Timeline Seventeen, Lena was a climate researcher. In Twenty-Two, a public defender. In Thirty-One, she taught physics at a high school and hated grading papers.

 

In all of them, she lived.

 

Jonah measured his success not in years but in mornings: Lena alive, Lena laughing, Lena ordering coffee she didn’t need.

 

He aged faster than the world. Temporal radiation, the doctors said. His cells remembered too much. He developed tremors, then gaps in short-term memory. Irony, he thought, should be illegal.

 

The machine still existed, locked behind permissions only he and a handful of others possessed. He used it sparingly now, terrified of unraveling what little stability he’d earned.

 

Then came the day the universe corrected him.

 

Lena sat down across from him without being invited.

 

“You look tired,” she said gently. “Like you’ve been carrying something heavy for a long time.”

 

Jonah laughed, surprised by the sound. “You have no idea.”

 

She studied him, head tilted. “This is going to sound strange.”

 

“I like strange,” he said.

 

“I feel like I keep almost remembering you,” she said. “Like a word on the tip of my tongue. Every time I see you, it’s worse.”

 

Jonah’s heart stuttered. “Memory isn’t reliable.”

 

“Neither is forgetting,” she replied.

 

That night, he dreamed of rings collapsing inward, of timelines folding like paper. When he woke and went to his kitchen, his hands shook badly enough that he dropped his coffee.

 

The machine was failing.

 

Temporal safeguards depended on an observer anchored outside the loop. Jonah had become too unstable. The system began compensating by compressing iterations, trimming excess probability.

 

In simple terms: it was erasing him.

 

Jonah understood the choice immediately. He could jump again, anchor himself further back, preserve his own continuity at the cost of destabilizing Lena’s future.

 

Or he could stop.

 

Let the machine seal, the timeline settle, and let Lena live one clean, uninterrupted life, without him haunting the margins of it.

 

He went to the café one last time.

 

She was there, of course. He sat across from her, memorizing the way the light caught in her eyes.

 

“I’m leaving,” he said.

 

She frowned. “We just sat down.”

 

“I mean for good.”

 

“Oh,” she said softly. “Then… I’m glad you stopped.”

 

“So am I.”

 

They sat in companionable silence. When he stood, the room wavered, like heat over asphalt.

 

As he turned to go, she spoke again, her voice threaded with curiosity and something older, something almost remembered.

 

“Have we met before?”