The peace of mind, is very essential for our health. So in that level, I think scientific finding, immense benefit to get our wellness and eventually conviction, peace of mind is not just a luxurious item, but peace of mind is actually very important for our survival, for our healthy survival.
There's a kind of mystery to our being and from my point of view, regarding my own parents and their parents, I'd as soon let it lie than find out who my mother's father was.