I have a friend who called recently, asking me to come over immediately! Her husband is living with the early stages of dementia and his day had been a rough one. He skipped a meal, didn’t take all his meds and became aggressive with his wife.

They are lovely people. We’ve been friends for over thirty years. She is suddenly, now the caregiver and he is becoming more petulant and unlike his former, generous self with each passing week. He had ...