And by the way, I talked about the dangers of believing that “everybody has their own truth” in my Cervantes class today. I also talked about how every totalitarian regime requires people sincerely to believe something that is patently and obviously untrue. And many people welcome it.
The issue of what happens when you try to force people to “validate” your “inner truth” is at the core of Don Quijote. And answer is: nothing good. There’s only one truth. Whatever you feel isn’t “your own truth.” It’s simply what you feel.