Arguing with a person who has dementia is a contest nobody wins: their brain cannot store the correction, so the fact is lost within minutes while the feeling of being contradicted and diminished lingers. The working principle is 'never argue, never say I already told you' — enter the person's reality, respond to their need, and let inconsequential errors stand. This is not dishonesty; it is choosing the person's emotional wellbeing over factual scorekeeping in situations where accuracy serves no one. Reserve gentle reality-anchoring for matters of genuine safety or when the person is early-stage and asking directly for orientation.
Arguing with a person who has dementia about facts or reality rarely helps and usually increases distress, because their brain can no longer process a logical correction the way it once could. Instea…