Contradiction is the use of mutually incompatible statements, rules, or stances to keep you perpetually off-balance. What you were told yesterday is reversed today; a standard that was fine this morning is a grievance by evening — and each version is asserted as if it were the settled truth. The mechanism is cognitive load and uncertainty: when you can never quite lock down what’s true or expected, you stay reactive and unsteady, and steadiness is exactly what the tactic removes.
If you feel chronically confused around one particular person, that confusion is worth reading as information rather than as a personal failing. You are not slow or forgetful; you are being asked to reconcile things that cannot be reconciled, which is impossible by design. The pull to think harder, monitor more closely, and anticipate the “current” version is the trap — it spends your energy and deepens your reliance on them to define reality.
The way out is to stop treating the contradiction as a solvable puzzle and start treating it as a documented pattern. Dated notes and saved messages let you set the incompatible claims side by side, where they speak for themselves; trusted people and stable outside routines give you reference points that shifting stories can’t budge. You don’t need the other person to admit the inconsistency for it to be real — and when this destabilization is sustained, it is a recognized feature of coercive control, for which support is available.