I am a carer in the community but my mum has dementia and has been diagnosed for 3 years i can't seem to divert her from talking about going home i try changing the subject and showing my mum old photos but my dear mum who is 71 thinks she lives in the house i lived at as a child 37 years ago my mum lives with my step dad but he cant cope withmy mum being adamant about where she lives can anybody give me some advice thank you