They also don't worry about what others think.

I didn't learn that until I had to teach a computer class at age 35 to non-technical people. I started by just answering questions, but by session 3, I rewrote the whole class and talked for 90 minutes per session.

Later, I gave speeches at conventions. You never know where things will lead.

Finally, at age 72 I started karaoke. I never did anything like that even in 5th grade.

here is a slightly different viewpoint:

"No one gives a shit: The 20–40–60 Rule"

https://tedbauer2003.medium.com/no-one-gives-a-shit-the-20-40-60-rule-5a828ada181b

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