"At night, he started coming to me in dreams."
Yes, if we love someone who dies, they live forever in our hearts and dreams. My father died about 75 years ago, but he often still appears in my dreams. The same with my mother, who died 15 years ago, and with my son, who died 12 years ago. Sometimes they are all together in my dreams, sometimes only one is. When they appear, there is no kidney failure (my father), no Alzheimer's (my mother), and no lung cancer (my son). Instead they are all healthy. When I awake, I am not sad. It is comforting that I had a little more time with them.