- happiness and satisfaction are different
- [mindfulness meditation](https://en.wikipedia.org/wiki/Mindfulness) of living [in the present](https://mindfulnessmeditationinstitute.org/2019/12/30/how-to-be-happy-by-living-in-the-present-moment/)
similar to the flow?
- happiness and love are different
https://en.wikipedia.org/wiki/The_Art_of_Loving
- Newton in a FLOW state - see [Derman's article](http://emanuelderman.com/wp-content/uploads/1999/12/Metaphors-Models-Theories.pdf)
- matching complexity of our brain and the topic/activity - Manin
Kolmogorov-Shannon complexity
- Kahneman
[A Nobel Prize-winning psychologist says most people don’t really want to be happy](https://qz.com/1503207/a-nobel-prize-winning-psychologist-defines-happiness-versus-satisfaction/#:~:text=Kahneman%20contends%20that%20happiness%20and,kind%20of%20life%20you%20admire.)
[Why Nobel Prize Winner Daniel Kahneman Gave Up on Happiness](https://www.haaretz.com/israel-news/.premium.MAGAZINE-why-nobel-prize-winner-daniel-kahneman-gave-up-on-happiness-1.6528513)
