Support self-esteem, self-reliance, skill retention, and a sense of a contented day.
Do this consistently logically from the experienced world of the human being and put your own experience aside.
Know that people in dementia feel emotionally more and more like young adults or even younger.
Realize that you are dealing nevertheless with full-fledged human beings, who have spent a lifetime working to care for us and provide us a future.
Then you work according to the Böhm method