My Father in law has Alzheimer s ,hes confused,accusing family of stealing,my mother in law cant do wrong for right ,she is in her 80s ,has health issues and we are very concerned that the strain will have a detremental effect, the doctors don't seem to be concerned ,she doesn't want to put him in a home ,yet the winter when they cant get in the garden and stuck in the house,he has times when he goes completely off on one and we don't know what to do ,my mother in law is in pieces ,any advice would be good