Zainab's mother sent voice notes the way other people breathed.
Seven minutes about the neighbour's goat. Four minutes reminding her to drink water. Eleven minutes, recorded while cooking, the sound of frying onions in the background, about a cousin's wedding plans. Zainab, three hundred kilometres away in her hostel, would see the little green microphone icon and sigh. She would listen at double speed, if she listened at all.
First year was louder than she had imagined. There were lectures that started at 7am, a roommate who sang in the shower, a new friend who wanted to go everywhere together, a boy in her CHM class who kept asking for her notes. There was very little time for goats.
She replied with short messages. Ok Mama. I'm fine. Busy, will call later. She did not call later.
One Sunday afternoon, she was clearing space on her phone, which had begun complaining that it was full. The largest folder was WhatsApp audio. Hundreds of files. She selected all of them, her thumb above the delete button.
Then, for no reason she could explain, she played the most recent one.
It was short. Only forty seconds.
"Zainab. It's me." Her mother's voice was quieter than usual, without the frying onions. "I know you are busy. I'm not calling to disturb you. I just want to say, I went to the adult education centre today. I registered. For the secondary school certificate exam. I'm going to finish what I didn't finish." A small laugh, nervous, like a girl's. "Don't laugh at me. I wanted you to be the first to know."
Zainab listened to it three times.
She knew the story, in pieces. Her mother had stopped school at fifteen, when her own father died. She had married, sold fabric at the market for twenty years, and paid every single one of Zainab's school fees without once complaining that she had never had the same chance.
Zainab put down the phone and looked at the folder of voice notes she had nearly deleted. Hundreds of them. Hundreds of minutes of a woman talking to her daughter across three hundred kilometres, because talking was the one thing she could send.
She did not delete them.
Instead she pressed the call button. Her mother answered on the first ring, as if she had been holding the phone.
"Mama," Zainab said. "Which subjects are you registering?"
There was a pause, and then her mother started talking, and Zainab let her. Mathematics, English, Economics. A teacher at the centre who was younger than Zainab. The fear of sitting in a classroom again. Zainab offered to send her notes, simple ones, and to explain things on the phone on Sunday evenings.
They spoke for fifty-three minutes. Zainab's roommate came in, saw her face and quietly went out again.
After that, on Sunday evenings, the voice notes went the other way. Zainab recorded short lessons: how to solve simultaneous equations, how to structure an essay, what demand and supply meant. Her mother listened to each one at normal speed. Sometimes twice.
The following year, a new voice note arrived. It was nine seconds long. There was market noise in the background, and someone cheering.
"Zainab. I passed. All of them. Even mathematics."
Zainab saved it to a folder of its own.