My 90-yr-old Korean War veteran dad leaves mom at a loss in finding support & validation for her experiences while he was in Korea. He is in early stages of dementia, but, is fixated on war experiences. My brother, sister, & I talk w/them, and spend time w/them several times a week. We have established fairly good/effective caregiving/respite support, but, this one area is troublesome for us. Thanks in advance, for any ideas, etc.