People will choose unhappiness over uncertainty.
I think willpower is very valuable.
You can enjoy stargazing just by going out and learning a couple constellations with your kids.
Writing is thought crystalized on a piece of paper, which can then be reviewed.
To enjoy life, you don't need fancy nonsense, but you do need to control your time and realize that most things just aren't as serious as you make them out to be.
What's the worst that could happen?