What advice do you have for the next up-and-coming generation?

What mistakes did your generation make that you would like to see the up-and-coming generation not do?

[Please keep this helpful and productive. I'm bored of the who-was-the-best-generation arguments. "Won't someone please think of the children!" wink.]
All That Jazz, Some of These Days
'All That Jazz', 'Some of These Days'
If you're wondering what this image is about (it is not a critique or commentary on today's youth), it is a still from a movie, 'All That Jazz' (1979.)

It's an autobiographical story about a talented but troubled iconic Broadway director and choreographer, Bob Fosse (film written and directed by Bob Fosse himself), who lived life fast and hard, and ultimately met his end due to heart problems because he chose this life, rather than live one of, in his mind, mainstream mediocrity. Women, sex, drugs, alcohol, you name it, he did it. He is known as being one of the most talented choreographers the dance world has ever known. But talent is often not enough, is it.

In this scene/dance number, his tween daughter is shown as an older version of herself (probably after his death, trying to be grown up, but missing a father figure, she has lost her way and judgement), pleading with her father to stop his sordid, unhealthy ways. "Don't die, Daddy, please don't die." And then his ex-wife, and one of many current lovers: "You can't leave this poor little girl without a father, Joe."
At it's essence it's a fascinating cautionary tale (though an absolutely true one) about the attempt to change, but failing.https://www.imdb.com/title/tt0078754/reference
What advice do you have for the next up-and-coming generation?
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