There's a whole industry of self help that in many cases says stuff that completely flies in the face of what we actually know about the psychology of emotion. So evidence based, I mean, is from a classical point of view, there are lots of evidence-based self help books but they're usually not bestsellers. The stoics weren't doing research, but the stuff that they say broadly speaking can be reconciled with and combined with modern research and psychotherapy,. whereas some psychological advice can't be or a, let me say something else that's kind of, to take fluids out, step back."