Their views might change with time. Not everything is black and white.

Yes, it's an old trick. You create a place in your mind, for the people and places and things you've known. You give each of them a room. You can visit the ones you miss and lock away the painful memories. Visiting the memory palace seems real-ish. I know my mom and friends are gone, but I feel a part of them is there, almost like I've actually talked to them.