The Probability of Presence

The custody agreement existed in quantum superposition, like everything else in Maya Volkov’s life since the divorce. Wednesdays and alternate weekends, she had 73% probability of her daughter. Holidays split according to an algorithm that considered emotional states, financial stability, and the phase of Europa’s orbit.

Today was Christmas. Or rather, today was all possible Christmases, and Sophia would decide which one to collapse into reality.

Maya waited in the metaverse lobby, watching probability waves fluctuate. The environment couldn’t decide if it was snowing or sunny, if the decorations were minimalist or gaudy. Everything waited for Sophia to choose.

“She’s manifesting,” the custody AI informed her. Always neutral, always careful. “Current probability of full presence: 47%. Partial presence: 31%. Attendance at father’s simulation: 22%.”

Maya forced herself not to react. The AI monitored everything, fed it back to the court’s probability engines. Show too much desperation, and next holiday’s percentages would shift toward Richard. Display indifference, same result. The algorithm demanded perfect balance, perfect performance of parenthood.

Sophia materialized slowly, uncertainly. At twelve, she’d learned to game the system, keeping herself distributed across possibilities until the last moment. Her avatar flickered between versions: the dutiful daughter Maya hoped for, the rebellious teen Richard complained about, something else entirely that belonged to neither parent.

“Hi, Mom,” Sophia said, and Maya’s heart clenched at the 47% opacity. Less than half. Less than half her daughter had chosen to be here.

“Merry Christmas, sweetheart.” Maya kept her voice steady. The monitoring systems recorded everything. “I see you’re exploring probability states.”

“Dad says it’s more efficient,” Sophia shrugged, and part of her was shrugging in Richard’s simulation too. “Why choose when you can be multiple places?”

Because it hurts, Maya thought but didn’t say. Because love shouldn’t be measured in percentages.

The metaverse shaped itself around Sophia’s partial presence. The Christmas tree was 47% decorated. The presents under it existed in probability foam, waiting to see if they’d be opened. Even the carols playing softly couldn’t decide their own lyrics.

“I made your favorite cookies,” Maya offered, manifesting a plate that was both full and empty. “Snickerdoodles with—“

“With extra cinnamon.” Sophia smiled, and for a moment her presence solidified to 62%. “Dad made sugar cookies. Store-bought.”

A tiny victory. Maya hated herself for counting it as one.

They moved through the careful choreography of divided holidays. Opening presents that might exist. Watching movies that played different scenes depending on Sophia’s attention. Making conversation across the gulf of quantum custody.

“Mom,” Sophia said suddenly, her form solidifying to nearly 80%. “Do you ever wonder what it was like? Before?”

“Before what?”

“Before we could split ourselves. When kids had to choose one parent for Christmas. Must have been horrible.”

Maya considered the question. Was it worse, that binary choice? Or was this careful mathematics of love more cruel? At least in the old days, presence was absolute. You were there or you weren’t. No percentages. No probability curves measuring your child’s affection in real-time.

“I think,” Maya said carefully, “every generation finds new ways to make family complicated.”

Sophia laughed, and her presence flickered. “Dad’s calling. He wants to do presents.” She began to fade, probability shifting toward Richard’s simulation.

“You could stay,” Maya said, then immediately regretted it. Too needy. The algorithms would note it.

“I am staying,” Sophia pointed out. “22% of me is still here. That’s actually above the court mandate for secondary presence.”

The words cut deeper than absence would have. Maya watched her daughter fragment, attention dividing according to legal formulae and emotional calculus. The Christmas tree became 22% real. The cookies vanished entirely.

“I love you,” Maya called out to the fraction that remained.

“Love you too,” 22% of Sophia replied. Somewhere else, 78% of her was saying the same thing to Richard.

The metaverse began to dissolve the unutilized probability states. Decorations that Sophia hadn’t observed ceased to exist. Presents unopened collapsed into void. The careful Christmas Maya had constructed became a sketch, a suggestion, a might-have-been.

She sat in the 22% of her living room that still mattered, watching the ghost of her daughter flicker between states. The custody AI would rate this visit as successful—presence achieved, no emotional incidents recorded, compliance with all probability mandates.

But Maya remembered Christmases before the divorce, before the quantum custody arrangements. When Sophia’s laughter was 100% present. When love wasn’t measured in percentages.

“Same time next holiday?” the AI prompted, already calculating probability curves for New Year’s.

“Yes,” Maya confirmed, beginning the negotiation for her daughter’s attention. “All times. Any percentage. Whatever I can get.”

The metaverse filed her response, adjusted the algorithms, prepared for the next careful division of a child’s heart. Maya stayed in the simulation after Sophia’s last percentage point vanished, surrounded by probability ghosts of Christmases that might have been.

22% of a daughter. 100% of a broken heart.

The mathematics of modern love, precise and merciless and exhausting.