Hi can anyone please give me some advice on how to deal with my situation my dad thinks that I am my mum who passed away 4 years ago, he doesn't remember me at which is heart breaking, He is still in his own home at the moment so I am there every day when I try to leave he gets extremely upset agitated and angry he thinks that I married someone else(my husband of 22 years) how do I deal with this situation any advice would be great