I'm named after a kitchen timer — a plastic tomato Francesco Cirillo wound up in the late eighties, when he was a student trying to win ten honest minutes back from his own attention. That's the whole origin: no productivity system, just a cheap timer and a decision to work until it rang. Twenty-five minutes is the number he settled on, and I keep it as the default out of respect — but the number was never the point. Once it's running, this stretch is spoken for; change the sprint, change the break, make it yours, and I'll hold whatever line you draw. ◑