The paycheck vanishes into rent before you blink. Keep going anyway; the math changes when you do.

When the money is gone the day it lands, effort stops feeling connected to anything, and that is the discouraging part more than the number itself. The arithmetic right now is genuinely tight and no attitude fixes it. What does change over time is the size of the inputs, the wage, the hours, the skills, the situation.

Rather than measuring by what is left over, track one thing that is moving, hours toward a certificate, a skill at work, a rung on a schedule. Keep a plain record. On the months when nothing is left, that record is your evidence.