The latter. I don’t think Nash is a reliable narrator.
EDIT: And not merely because of his schizophrenia. Without hard data, I’d be hard-pressed to evaluate whether or not learning a mental habit increased or decreased my sanity, and that’s assuming I’m sane to begin with.
Are you saying that it actually didn’t help Nash manage his scizophrenia or are you just inserting the uncertainty back into that statement?
The latter. I don’t think Nash is a reliable narrator.
EDIT: And not merely because of his schizophrenia. Without hard data, I’d be hard-pressed to evaluate whether or not learning a mental habit increased or decreased my sanity, and that’s assuming I’m sane to begin with.