As far as other people are concerned...honestly, I learned that most people just believe a load of hogwash; jumbled together, accidental messes from the bad side of emergent complexity. I stopped taking most people's advice awhile ago.
I just do what I need to do.
The idea of 'being' myself never made sense to me. I wasn't the type to fake success. Attempting to weave and maintain a web of lies was far far far more work than reward, and no matter what you'll always be found out unless people just don't even care to bother. Instead, trust was a far more valuable resource to build on.
At the same time, though, if I didn't catter to the whims of the less ethical and intelligent people with power over me I'd only suffer for it and gain nothing, not to mention how useless trust is when the ethically compromised are involved. And I'm a strong proponent of mutualism, so I don't care to treat people who'd harm me with much ethical consideration.
And in any case, the bigger issue regarding 'myself' had always been who I am (as in, I had no idea), which often went by the wayside because of the more pressing problem of how to deal with all the problems I was facing, and the mountainous lack of answers to all my questions.
So my answer would be no, I don't believe it because for me it's a stupid idea.
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Thank you deeply for sharing your experiences. I don't feel so alone anymore.